:root{
  --paper: #F1ECDD;
  --paper-deep: #E7DFC9;
  --ink: #2B2A24;
  --ink-soft: #5C594C;
  --moss: #4A5D43;
  --moss-deep: #34432F;
  --moss-pale: #E3E8DA;
  --postmark: #C1502E;
  --postmark-deep: #97391E;
  --line: #CFC4A4;
  --card-shadow: rgba(43,42,36,0.16);

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --maxw: 1140px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x:hidden;
  position:relative;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ font-family: var(--font-display); margin:0; }
p{ margin:0; }
button{ font-family:inherit; }
.sr-only{
  position:absolute; width:1px; height:1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap;
}

/* Subtle paper grain overlay */
.grain{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  opacity:0.5;
  background-image:
    radial-gradient(rgba(43,42,36,0.04) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: multiply;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-mono);
  font-size:11.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color: var(--postmark);
  font-weight:700;
  margin-bottom:16px;
}
.eyebrow::before{
  content:'';
  width:7px; height:7px;
  border-radius:50%;
  background: var(--postmark);
}
.eyebrow--on-envelope{ color: var(--moss-deep); }
.eyebrow--on-envelope::before{ background: var(--moss-deep); }


.nav{
  position:relative;
  z-index:2;
  border-bottom: 1px solid var(--line);
}
.nav__inner{
  max-width: var(--maxw);
  margin:0 auto;
  padding: 22px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav__mark{
  display:flex;
  align-items:center;
  gap:12px;
}
.nav__mark-ring{
  width:34px; height:34px;
  display:block;
}
.nav__mark-ring svg{ width:100%; height:100%; }
.nav__mark-ring circle{
  fill:none;
  stroke: var(--moss-deep);
  stroke-width:2.5;
}
.nav__mark-text{
  font-family: var(--font-display);
  font-weight:600;
  font-size:17px;
  line-height:1.05;
  color: var(--ink);
}
.nav__mark-text span{
  font-size:11px;
  font-family: var(--font-mono);
  font-weight:400;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color: var(--ink-soft);
}
.nav__back{
  font-family: var(--font-mono);
  font-size:12.5px;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.nav__back:hover{ color: var(--postmark); border-color: var(--postmark); }


main{ position:relative; z-index:2; }

.hero{
  max-width: var(--maxw);
  margin:0 auto;
  padding: 64px 24px 40px;
}
.hero__inner{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items:center;
}

.postmark{
  width:118px;
  height:118px;
  margin-bottom: 28px;
  animation: stampIn 0.7s cubic-bezier(.2,.9,.3,1.3) both;
}
@keyframes stampIn{
  from{ opacity:0; transform: scale(1.5) rotate(-18deg); }
  to{ opacity:1; transform: scale(1) rotate(-8deg); }
}
.postmark__svg{ width:100%; height:100%; transform: rotate(-8deg); }
.postmark__ring-outer, .postmark__ring-inner{
  fill:none;
  stroke: var(--postmark);
  stroke-width: 2;
  opacity:0.85;
}
.postmark__arc-text{
  font-family: var(--font-mono);
  font-size: 8.2px;
  font-weight:700;
  fill: var(--postmark);
  letter-spacing: 0.5px;
}
.postmark__date{
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  fill: var(--postmark);
  letter-spacing: 1px;
}
.postmark__date--big{ font-size: 12px; }

.hero__title{
  font-size: clamp(38px, 5.4vw, 64px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 24px;
}
.hero__title-italic{
  font-style: italic;
  font-weight:500;
  color: var(--moss-deep);
}
.hero__subtitle{
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 480px;
  margin-bottom: 28px;
}
.hero__divider{
  margin-bottom: 22px;
}
.hero__divider span{
  display:block;
  width:64px;
  height:2px;
  background: var(--postmark);
}
.hero__meta{
  font-size:14px;
  color: var(--ink-soft);
}
.hero__meta-label{
  display:block;
  font-family: var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color: var(--ink-soft);
  opacity:0.75;
  margin-bottom:4px;
}


.hero__visual{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
}
.postcard-stack{
  position:relative;
  width:280px;
  height:320px;
}
.postcard{
  position:absolute;
  width: 250px;
  height: 168px;
  background: #FBF8EF;
  border-radius: 3px;
  box-shadow: 0 18px 32px var(--card-shadow), 0 2px 4px rgba(43,42,36,0.08);
  border: 1px solid rgba(43,42,36,0.06);
}
.postcard__edge{
  position:absolute;
  inset:0;
  border-radius:3px;
  background-image: repeating-linear-gradient(90deg, transparent 0 6px, rgba(43,42,36,0.05) 6px 7px);
  background-size: 100% 4px;
  background-position: top, bottom;
  background-repeat: repeat-x;
  pointer-events:none;
}
.postcard__face{
  position:relative;
  height:100%;
  padding: 20px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:9px;
}
.postcard__line{
  height:2px;
  width:88%;
  background: var(--line);
  border-radius:1px;
}
.postcard__line--short{ width:56%; }
.postcard__stamp{
  position:absolute;
  top:16px; right:16px;
  width:34px; height:42px;
  border: 1.5px dashed var(--moss);
  border-radius:2px;
  background: var(--moss-pale);
}
.postcard__compass{
  width:64px; height:64px;
  margin: 0 auto;
}
.postcard__compass svg{ width:100%; height:100%; }
.postcard__compass circle{
  fill:none; stroke: var(--postmark); stroke-width:1.5; opacity:0.7;
}
.postcard__compass path{ fill: var(--postmark); opacity:0.85; }
.postcard__compass text{
  font-family: var(--font-mono);
  font-size:9px;
  font-weight:700;
  fill: var(--ink-soft);
}

.postcard--1{
  top: 0; left: 10px;
  transform: rotate(-7deg);
  z-index:1;
  animation: floatA 7s ease-in-out infinite;
}
.postcard--2{
  top: 64px; left: 0;
  transform: rotate(4deg);
  z-index:2;
  animation: floatB 8s ease-in-out infinite;
}
.postcard--3{
  top: 128px; left: 24px;
  transform: rotate(-2deg);
  z-index:3;
  animation: floatC 6.5s ease-in-out infinite;
}
@keyframes floatA{ 0%,100%{ transform: rotate(-7deg) translateY(0); } 50%{ transform: rotate(-9deg) translateY(-6px); } }
@keyframes floatB{ 0%,100%{ transform: rotate(4deg) translateY(0); } 50%{ transform: rotate(6deg) translateY(-5px); } }
@keyframes floatC{ 0%,100%{ transform: rotate(-2deg) translateY(0); } 50%{ transform: rotate(-4deg) translateY(-7px); } }

.hero__visual-caption{
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size:11.5px;
  letter-spacing:0.06em;
  color: var(--ink-soft);
  text-align:center;
}


.preview{
  max-width: var(--maxw);
  margin:0 auto;
  padding: 60px 24px 70px;
}
.preview__inner{ text-align:left; }
.preview__grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 12px;
}
.preview-card{
  padding: 28px 26px;
  background: var(--paper-deep);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.preview-card:hover{
  transform: translateY(-3px);
  box-shadow: 0 14px 26px var(--card-shadow);
}
.preview-card__tag{
  display:inline-block;
  font-family: var(--font-mono);
  font-size:10.5px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color: var(--moss-deep);
  background: var(--moss-pale);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.preview-card h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:10px;
  line-height:1.3;
}
.preview-card p{
  font-size:14.5px;
  line-height:1.6;
  color: var(--ink-soft);
}


.envelope-section{
  max-width: var(--maxw);
  margin:0 auto;
  padding: 20px 24px 90px;
  display:flex;
  justify-content:center;
}
.envelope{
  position:relative;
  width:100%;
  max-width: 620px;
  margin-top: 30px;
}
.envelope__flap{
  height: 0;
  width:100%;
  border-left: 310px solid transparent;
  border-right: 310px solid transparent;
  border-top: 70px solid var(--moss-deep);
  position:relative;
  z-index:1;
}
.envelope__body{
  background: var(--moss);
  border-radius: 0 0 8px 8px;
  padding: 38px 44px 44px;
  margin-top: -1px;
  position:relative;
  z-index:0;
}
.envelope__body .eyebrow--on-envelope{ color: #DCE6D4; }
.envelope__body .eyebrow--on-envelope::before{ background: #DCE6D4; }
.envelope__body h2{
  color: #FBF8EF;
  font-size: clamp(22px, 3vw, 28px);
  font-weight:600;
  margin-bottom: 12px;
  line-height:1.25;
}
.envelope__body p{
  color: #E3E8DA;
  font-size:14.5px;
  line-height:1.6;
  margin-bottom: 24px;
  max-width: 460px;
}
.envelope__form{ width:100%; }
.envelope__field-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.envelope__field-row input{
  flex:1;
  min-width:220px;
  font-family: var(--font-mono);
  font-size:14px;
  padding: 14px 18px;
  border-radius: 4px;
  border: 1.5px solid rgba(251,248,239,0.3);
  background: rgba(251,248,239,0.08);
  color: #FBF8EF;
  outline:none;
  transition: border-color 0.2s, background 0.2s;
}
.envelope__field-row input::placeholder{ color: rgba(251,248,239,0.55); }
.envelope__field-row input:focus{
  border-color: rgba(251,248,239,0.7);
  background: rgba(251,248,239,0.14);
}
.field__error{
  font-size:13px;
  color:#FFD9CC;
  margin-top:10px;
}


.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  font-family: var(--font-mono);
  font-size:13.5px;
  font-weight:700;
  letter-spacing:0.02em;
  padding: 14px 24px;
  border-radius: 4px;
  border:none;
  cursor:pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space:nowrap;
}
.btn:active{ transform: scale(0.97); }
.btn--stamp{
  background: var(--postmark);
  color: #FBF8EF;
  box-shadow: 0 8px 18px rgba(193,80,46,0.35);
}
.btn--stamp:hover{ background: var(--postmark-deep); box-shadow: 0 10px 22px rgba(193,80,46,0.45); }
.btn:disabled{ opacity:0.7; cursor:not-allowed; transform:none; }
.btn__spinner{
  display:none;
  width:14px; height:14px;
  border-radius:50%;
  border: 2px solid rgba(251,248,239,0.35);
  border-top-color: #FBF8EF;
  animation: spin 0.7s linear infinite;
}
.btn.is-loading .btn__text{ opacity:0.75; }
.btn.is-loading .btn__spinner{ display:inline-block; }
@keyframes spin{ to{ transform: rotate(360deg); } }


.footer{
  position:relative;
  z-index:2;
  border-top: 1px solid var(--line);
  padding: 40px 24px 32px;
}
.footer__inner{
  max-width: var(--maxw);
  margin:0 auto;
  text-align:center;
}
.footer__mark{
  font-family: var(--font-display);
  font-size:20px;
  font-weight:600;
  color: var(--ink);
}
.footer__mark span{
  font-family: var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color: var(--ink-soft);
  margin-left:4px;
}
.footer__tagline{
  font-size:13.5px;
  color: var(--ink-soft);
  margin-top:8px;
}
.footer__links{
  margin-top:16px;
  font-family: var(--font-mono);
  font-size:12.5px;
  color: var(--ink-soft);
}
.footer__links a:hover{ color: var(--postmark); }
.footer__dot{ margin:0 10px; opacity:0.5; }
.footer__bottom{
  margin-top:18px;
  font-size:12px;
  color: var(--ink-soft);
  opacity:0.7;
}


.toast{
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: var(--paper);
  padding: 13px 22px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
  opacity:0;
  pointer-events:none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 200;
  max-width: 90vw;
}
.toast.is-visible{ opacity:1; transform: translateX(-50%) translateY(0); }
.toast.is-error{ background: var(--postmark-deep); }


@media (max-width: 900px){
  .hero__inner{ grid-template-columns: 1fr; gap: 50px; }
  .hero__visual{ order:-1; }
  .preview__grid{ grid-template-columns: 1fr; }
  .envelope__flap{
    border-left-width: 50vw;
    border-right-width: 50vw;
  }
}
@media (max-width: 480px){
  .hero{ padding-top: 44px; }
  .postcard-stack{ width:230px; height:280px; transform: scale(0.92); }
  .envelope__body{ padding: 30px 26px 34px; }
  .envelope__field-row{ flex-direction:column; }
  .envelope__field-row .btn{ width:100%; }
}

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