:root {
    --cream: #f6efe1;
    --cream-dark: #efe4cd;
    --paper: #f1e6cf;
    --kraft: #a97d51;
    --kraft-dark: #7a5a3a;
    --kraft-darker: #5c4429;
    --rose: #cf9f9a;
    --rose-dark: #b57e7a;
    --sage: #8a9a7c;
    --sage-dark: #6b7a5e;
    --ink: #3f3226;
    --ink-soft: #5c4d3d;
    --shadow: rgba(63, 50, 38, 0.18);
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    font-family: 'Karla', sans-serif;
    color: var(--ink);
    background: var(--cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, .display {
    font-family: 'Fraunces', serif;
    font-weight: 600;
    color: var(--kraft-darker);
    margin: 0 0 0.5em;
    line-height: 1.15;
  }

  p { margin: 0 0 1em; }

  a { color: inherit; }

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

  .container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
  }

  section { position: relative; }

  .section-pad { padding: 88px 0; }

  .eyebrow {
    font-family: 'Karla', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--sage-dark);
    margin-bottom: 14px;
    display: inline-block;
  }

  .center { text-align: center; }

  .lede {
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 640px;
  }

  .center .lede { margin-left: auto; margin-right: auto; }

  /* ---------- Buttons ---------- */
  .btn {
    display: inline-block;
    font-family: 'Karla', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.01em;
    padding: 16px 32px;
    border-radius: 40px;
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }

  .btn-primary {
    background: var(--rose-dark);
    color: var(--cream);
    box-shadow: 0 6px 0 var(--kraft-darker), 0 10px 18px var(--shadow);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 0 var(--kraft-darker), 0 14px 22px var(--shadow);
  }

  .btn-primary:active {
    transform: translateY(2px);
    box-shadow: 0 3px 0 var(--kraft-darker), 0 6px 10px var(--shadow);
  }

  /* ---------- Washi tape decoration ---------- */
  .washi {
    position: absolute;
    width: 120px;
    height: 34px;
    opacity: 0.85;
    background-image: repeating-linear-gradient(
      45deg,
      rgba(255,255,255,0.35) 0px,
      rgba(255,255,255,0.35) 6px,
      transparent 6px,
      transparent 12px
    );
    box-shadow: 0 3px 6px rgba(63,50,38,0.15);
    z-index: 2;
  }
  .washi::before, .washi::after {
    content: "";
    position: absolute;
    top: 0; bottom: 0;
    width: 6px;
    background: rgba(255,255,255,0.25);
  }
  .washi::before { left: 0; }
  .washi::after { right: 0; }

  .washi-rose { background-color: var(--rose); }
  .washi-sage { background-color: var(--sage); }
  .washi-kraft { background-color: var(--kraft); }

  /* ---------- Postage stamp perforated edge ---------- */
  .stamp-frame {
    position: relative;
    border: 2px dashed rgba(122, 90, 58, 0.55);
    border-radius: 4px;
  }
  .stamp-frame::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(122, 90, 58, 0.3);
    pointer-events: none;
  }

  .perforated {
    position: relative;
  }
  .perforated::before, .perforated::after {
    content: "";
    position: absolute;
    left: 0; right: 0;
    height: 14px;
    background-image: radial-gradient(circle at 10px 50%, var(--cream) 6px, transparent 6.5px);
    background-size: 20px 14px;
    background-repeat: repeat-x;
  }
  .perforated::before { top: -7px; }
  .perforated::after { bottom: -7px; }

  /* ---------- Photo placeholder ---------- */
  .photo-placeholder {
    background-color: var(--cream-dark);
    background-image:
      repeating-linear-gradient(45deg, rgba(169,125,81,0.08) 0, rgba(169,125,81,0.08) 2px, transparent 2px, transparent 14px),
      repeating-linear-gradient(-45deg, rgba(169,125,81,0.06) 0, rgba(169,125,81,0.06) 2px, transparent 2px, transparent 14px);
    border: 2px dashed rgba(122, 90, 58, 0.35);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    text-align: center;
    padding: 20px;
  }
  .photo-placeholder span {
    font-family: 'Fraunces', serif;
    font-style: italic;
    color: var(--kraft-dark);
    opacity: 0.65;
    font-size: 0.95rem;
  }

  /* ---------- Navigation ---------- */
  header.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(246, 239, 225, 0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(122, 90, 58, 0.18);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 1080px;
    margin: 0 auto;
  }
  .logo {
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 1.3rem;
    color: var(--kraft-darker);
    text-decoration: none;
    letter-spacing: 0.01em;
  }
  .nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .nav-links a {
    text-decoration: none;
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--ink-soft);
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
    transition: border-color 0.2s ease, color 0.2s ease;
  }
  .nav-links a:hover { color: var(--rose-dark); border-color: var(--rose-dark); }

  @media (max-width: 640px) {
    .nav-links { gap: 16px; }
    .nav-links a { font-size: 0.82rem; }
  }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    overflow: hidden;
    padding: 110px 0 140px;
    background:
      radial-gradient(circle at 15% 20%, rgba(169,125,81,0.10) 0, transparent 45%),
      radial-gradient(circle at 85% 30%, rgba(207,159,154,0.14) 0, transparent 50%),
      repeating-linear-gradient(0deg, rgba(122,90,58,0.035) 0px, rgba(122,90,58,0.035) 1px, transparent 1px, transparent 3px),
      linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
  }
  .hero::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -1px;
    height: 60px;
    background: var(--cream);
    clip-path: polygon(
      0% 40%, 4% 60%, 8% 35%, 12% 55%, 16% 40%, 20% 62%, 24% 38%,
      28% 58%, 32% 42%, 36% 60%, 40% 36%, 44% 56%, 48% 40%, 52% 62%,
      56% 38%, 60% 58%, 64% 42%, 68% 60%, 72% 36%, 76% 56%, 80% 40%,
      84% 62%, 88% 38%, 92% 58%, 96% 42%, 100% 60%, 100% 100%, 0% 100%
    );
  }
  .hero-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 56px;
  }
  .hero-text {
    flex: 1 1 420px;
    text-align: left;
  }
  .hero-image {
    flex: 1 1 280px;
    display: flex;
    justify-content: center;
  }
  .hero-photo {
    width: 420px;
    max-width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 14px 30px var(--shadow);
    transform: rotate(-3deg);
  }
  .hero-image .photo-placeholder {
    width: 420px;
    max-width: 100%;
    aspect-ratio: 3 / 4;
    min-height: 0;
    transform: rotate(-3deg);
  }
  .hero h1 {
    font-size: clamp(2.3rem, 5vw, 3.6rem);
    margin-bottom: 0.4em;
  }
  .hero .lede {
    margin: 0 0 2.2em;
    font-size: 1.2rem;
  }
  @media (max-width: 780px) {
    .hero-inner {
      flex-direction: column;
      text-align: center;
    }
    .hero-text { text-align: center; }
    .hero-image { order: -1; }
    .hero-photo { width: 280px; }
    .hero-image .photo-placeholder { width: 280px; }
  }
  .kit-switcher {
    display: inline-flex;
    gap: 4px;
    background: rgba(122,90,58,0.08);
    border: 1px solid rgba(122,90,58,0.25);
    border-radius: 40px;
    padding: 4px;
    margin-bottom: 32px;
  }
  .kit-switch-option {
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--ink-soft);
    transition: background 0.2s ease, color 0.2s ease;
  }
  .kit-switch-option:hover { color: var(--kraft-dark); }
  .kit-switch-option.is-active {
    background: var(--rose-dark);
    color: var(--cream);
  }
  @media (max-width: 480px) {
    .kit-switch-option { padding: 8px 14px; font-size: 0.78rem; }
  }
  .postmark {
    position: absolute;
    top: 60px;
    right: 6%;
    width: 110px;
    height: 110px;
    border: 3px solid var(--kraft-dark);
    border-radius: 50%;
    opacity: 0.3;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(-12deg);
    z-index: 1;
  }
  .postmark::before {
    content: "PAR AVION";
    font-family: 'Karla', sans-serif;
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--kraft-dark);
  }
  @media (max-width: 780px) {
    .postmark { display: none; }
  }

  /* ---------- What is Postcrossing ---------- */
  .postcrossing {
    background: var(--cream);
  }
  .postcrossing .container {
    max-width: 720px;
    text-align: center;
  }

  /* ---------- Kit contents ---------- */
  .kit {
    background: var(--cream-dark);
  }
  .kit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 48px;
  }
  .kit-card {
    background: var(--cream);
    border-radius: 14px;
    padding: 30px 24px;
    box-shadow: 0 8px 20px rgba(63,50,38,0.08);
    text-align: center;
    position: relative;
    transform: rotate(var(--tilt, 0deg));
  }
  .kit-card:nth-child(1) { --tilt: -1.5deg; }
  .kit-card:nth-child(2) { --tilt: 1deg; }
  .kit-card:nth-child(3) { --tilt: -1deg; }
  .kit-card:nth-child(4) { --tilt: 1.5deg; }
  .kit-card:nth-child(5) { --tilt: -1.2deg; }
  .kit-card:nth-child(6) { --tilt: 0.8deg; }

  .kit-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
  }
  .icon-rose { background: var(--rose); }
  .icon-sage { background: var(--sage); }
  .icon-kraft { background: var(--kraft); }
  .icon-rose2 { background: var(--rose-dark); }
  .icon-kraft2 { background: var(--kraft-dark); }
  .icon-sage2 { background: var(--sage-dark); }

  .kit-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
  }
  .kit-card p {
    color: var(--ink-soft);
    font-size: 0.95rem;
    margin-bottom: 0;
  }

  @media (max-width: 900px) {
    .kit-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 560px) {
    .kit-grid { grid-template-columns: 1fr; }
  }

  .kit-callout {
    margin-top: 52px;
    text-align: center;
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-size: 1.3rem;
    color: var(--kraft-dark);
  }

  .kit-photo {
    margin-top: 48px;
  }
  .kit-photo-img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(63,50,38,0.08);
  }

  /* ---------- How it works ---------- */
  .how {
    background: var(--cream);
  }
  .steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 36px;
    margin-top: 52px;
    counter-reset: step;
  }
  .step {
    text-align: center;
    padding: 0 12px;
  }
  .step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px dashed var(--kraft);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-family: 'Fraunces', serif;
    font-size: 1.4rem;
    color: var(--kraft-dark);
  }
  .step h3 { font-size: 1.1rem; }
  .step p { color: var(--ink-soft); font-size: 0.95rem; }

  /* ---------- Why section ---------- */
  .why {
    background: var(--sage);
    color: var(--cream);
    position: relative;
    overflow: hidden;
  }
  .why h2, .why .eyebrow { color: var(--cream); }
  .why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 760px;
    margin: 48px auto 0;
  }
  @media (max-width: 600px) {
    .why-grid { grid-template-columns: 1fr; }
  }
  .why-item {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 12px;
    padding: 26px;
  }
  .why-item h3 {
    color: var(--cream);
    font-size: 1.05rem;
    margin-bottom: 8px;
  }
  .why-item p {
    color: rgba(246,239,225,0.9);
    font-size: 0.95rem;
    margin-bottom: 0;
  }

  /* ---------- Waitlist ---------- */
  .waitlist {
    background: var(--cream-dark);
  }
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 48px auto 0;
    text-align: left;
  }
  .pricing-single {
    max-width: 380px;
    margin: 48px auto 0;
    text-align: left;
  }
  .pricing-card {
    background: var(--cream);
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 14px 30px rgba(63,50,38,0.12);
    display: flex;
    flex-direction: column;
    text-align: center;
  }
  .pricing-card h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
  }
  .pricing-price {
    font-family: 'Fraunces', serif;
    font-size: 1.8rem;
    color: var(--rose-dark);
    margin-bottom: 22px;
  }
  .pricing-price span {
    font-family: 'Karla', sans-serif;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--ink-soft);
  }
  .pricing-list {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
    text-align: left;
    flex: 1;
  }
  .pricing-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 12px;
    font-size: 0.92rem;
    color: var(--ink-soft);
  }
  .pricing-list li::before {
    content: "✦";
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 0.75rem;
    color: var(--sage-dark);
  }
  .pricing-card .btn,
  .pricing-card stripe-buy-button {
    margin-top: auto;
    align-self: center;
  }
  .thank-you {
    display: none;
    text-align: center;
  }
  .thank-you.visible { display: block; }
  .thank-you .stamp-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: var(--rose);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
  }
  .thank-you h3 {
    margin-bottom: 8px;
  }
  .thank-you p {
    color: var(--ink-soft);
    margin-bottom: 0;
  }
  .waitlist-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--ink-soft);
    margin-top: 18px;
  }
  .canceled-note {
    display: none;
    max-width: 560px;
    margin: 24px auto 0;
    padding: 14px 20px;
    border-radius: 10px;
    background: rgba(207,159,154,0.18);
    border: 1px solid rgba(181,126,122,0.4);
    color: var(--kraft-dark);
    font-size: 0.9rem;
    text-align: center;
  }
  .canceled-note.visible { display: block; }
  .checkout-error {
    display: none;
    max-width: 560px;
    margin: 18px auto 0;
    padding: 14px 20px;
    border-radius: 10px;
    background: rgba(207,159,154,0.18);
    border: 1px solid rgba(181,126,122,0.4);
    color: var(--kraft-dark);
    font-size: 0.9rem;
    text-align: center;
  }
  .checkout-error.visible { display: block; }

  .shipping-note {
    max-width: 480px;
    margin: 22px auto 0;
    font-size: 0.8rem;
    font-style: italic;
    color: var(--ink-soft);
    opacity: 0.85;
    text-align: center;
  }

  /* ---------- Success page ---------- */
  .success-wrap {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
  }
  .success-card {
    max-width: 520px;
    width: 100%;
    background: var(--cream);
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: 0 14px 30px rgba(63,50,38,0.12);
    text-align: center;
  }
  .success-card .stamp-icon {
    width: 76px;
    height: 76px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--rose);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
  }
  .success-email {
    display: inline-block;
    margin-top: 4px;
    font-weight: 700;
    color: var(--kraft-dark);
  }
  .success-loading {
    color: var(--ink-soft);
    font-style: italic;
  }
  .success-error {
    display: none;
    color: var(--rose-dark);
  }

  /* ---------- Footer ---------- */
  footer {
    background: var(--kraft-darker);
    color: var(--cream);
    padding: 40px 0;
    text-align: center;
  }
  footer p {
    margin: 0;
    font-size: 0.88rem;
    color: rgba(246,239,225,0.75);
  }
  footer .foot-logo {
    font-family: 'Fraunces', serif;
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: var(--cream);
  }
  footer .foot-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.88rem;
  }
  footer .foot-links a {
    color: rgba(246,239,225,0.85);
    text-decoration: none;
  }
  footer .foot-links a:hover {
    color: var(--cream);
    text-decoration: underline;
  }
  footer .foot-links .sep {
    color: rgba(246,239,225,0.4);
  }

  @media (max-width: 640px) {
    .section-pad { padding: 60px 0; }
    .pricing-card { padding: 28px 22px; }
  }