/* Txt4RSVP — placeholder brand. Swap the tokens below once a brand is chosen. */
:root {
  --ink: #14213d;          /* deep navy: text, header */
  --ink-soft: #3d4a66;
  --muted: #6b7690;
  --paper: #fbf8f3;        /* warm off-white background */
  --card: #ffffff;
  --line: #e7e1d6;
  --coral: #ff6b4a;        /* primary accent */
  --coral-dark: #e2512f;
  --mint: #2bb38a;         /* "confirmed" accent */
  --bubble-guest: #2f6fed; /* guest's text bubble */
  --bubble-bot: #eef0f5;
  --radius: 18px;
  --max: 1120px;
  --font-head: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--coral-dark); }
a:hover { color: var(--ink); }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(251, 248, 243, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 36px; height: 36px; }
.brand-name { font-family: var(--font-head); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.01em; }
.brand-name span { color: var(--coral); }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav .btn { color: #fff; }
@media (max-width: 720px) { .nav a:not(.btn) { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 999px;
  background: var(--coral); color: #fff; font-weight: 600; text-decoration: none;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--coral-dark); color: #fff; transform: translateY(-1px); }
.btn-small { padding: 9px 16px; font-size: 0.9rem; }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 56px; }
.hero .container { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--coral-dark); background: #ffe9e2; padding: 6px 12px; border-radius: 999px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--coral); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); font-weight: 700; margin-top: 18px; }
h1 em { font-style: italic; color: var(--coral); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.25rem; }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 34em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-note { margin-top: 14px; font-size: .9rem; color: var(--muted); }

/* ---------- Phone mockup ---------- */
.phone {
  width: 100%; max-width: 360px; margin: 0 auto;
  background: var(--ink); border-radius: 44px; padding: 14px;
  box-shadow: 0 30px 60px -20px rgba(20,33,61,.45);
}
.phone-screen { background: #fff; border-radius: 32px; padding: 22px 16px 26px; min-height: 520px; }
.phone-top { text-align: center; font-size: .78rem; color: var(--muted); margin-bottom: 14px; }
.phone-top strong { display: block; color: var(--ink); font-size: .92rem; }
.msg { max-width: 82%; padding: 9px 13px; border-radius: 18px; font-size: .88rem; line-height: 1.4; margin: 7px 0; }
.msg.guest { background: var(--bubble-guest); color: #fff; margin-left: auto; border-bottom-right-radius: 5px; }
.msg.bot { background: var(--bubble-bot); color: var(--ink); border-bottom-left-radius: 5px; }
.msg.bot b { color: var(--ink); }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section-alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 40em; margin-bottom: 40px; }
.section-head p { color: var(--ink-soft); font-size: 1.1rem; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; position: relative; }
.section-alt .step { background: var(--paper); }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--ink); color: #fff; font-weight: 700; margin-bottom: 16px;
}
.step p { color: var(--ink-soft); margin: 0; }
.code { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; background: #fff3cd; padding: 1px 7px; border-radius: 6px; font-size: .92em; color: var(--ink); }

.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; font-weight: 500; }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon { flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: #ffe9e2; color: var(--coral-dark); }
.feature-icon svg { width: 22px; height: 22px; }
.feature h3 { margin-bottom: .25em; font-family: var(--font-body); font-size: 1.05rem; font-weight: 700; letter-spacing: 0; }
.feature p { margin: 0; color: var(--ink-soft); }

/* Invitation / opt-in card */
.invite-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.invite {
  background: #fff; border-radius: 6px; padding: 40px 34px; text-align: center;
  box-shadow: 0 2px 0 var(--line), 0 24px 50px -24px rgba(20,33,61,.35);
  border-top: 8px solid var(--coral); transform: rotate(-1.5deg);
}
.invite .script { font-family: var(--font-head); font-style: italic; font-size: 2rem; margin: 0; }
.invite .when { color: var(--ink-soft); margin: 6px 0 22px; }
.invite .rsvp-box { border: 2px dashed var(--ink); border-radius: 12px; padding: 16px; }
.invite .rsvp-box .big { font-size: 1.15rem; font-weight: 700; }
.invite .fine { font-size: .74rem; color: var(--muted); margin-top: 12px; line-height: 1.45; }

/* Notify / CTA */
.cta-band { background: var(--ink); color: #fff; border-radius: 28px; padding: 56px 48px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #c9d1e3; margin: 0; }
.cta-band .actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.cta-band .btn-ghost { color: #fff; border-color: #fff; }
.cta-band .btn-ghost:hover { background: #fff; color: var(--ink); }

/* ---------- Legal pages ---------- */
.legal { padding: 56px 0 80px; }
.legal .container { max-width: 820px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.legal h2 { font-size: 1.5rem; margin-top: 2.2em; padding-top: .4em; }
.legal h3 { font-family: var(--font-body); font-size: 1.05rem; letter-spacing: 0; margin-top: 1.6em; }
.legal p, .legal li { color: var(--ink-soft); }
.legal li { margin-bottom: .4em; }
.legal .meta { color: var(--muted); font-size: .95rem; }
.callout { background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--mint); border-radius: 12px; padding: 18px 22px; margin: 24px 0; }
.callout p { margin: .3em 0; color: var(--ink); }
.callout.warn { border-left-color: var(--coral); }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 24px; margin: 28px 0; }
.toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 32px; }
.toc a { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--coral-dark); }
table.simple { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .95rem; }
table.simple th, table.simple td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.simple th { color: var(--ink); background: var(--card); }
.sample { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: .88rem; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; color: var(--ink); white-space: pre-wrap; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; font-size: .92rem; color: var(--muted); }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--coral-dark); }
.site-footer .sms-line { flex-basis: 100%; font-size: .82rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .container, .invite-wrap, .cta-band { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 28px; }
  .toc ol { columns: 1; }
}
@media (prefers-reduced-motion: reduce) { .eyebrow::before { animation: none; } .btn:hover { transform: none; } }