/* ETERNA — eternalongevidade.com.br
   Design system sampled from the approved invite card + launch deck:
   navy #22353F · rose #824956 · paper #F0EDE9 · muted #4A5560 · rule #D8D2C8
   Audience: women 45–75, mostly on phones via WhatsApp → large type, high contrast, big tap targets. */
:root {
  --navy: #22353F; --rose: #824956; --rose-soft: #D9A2AC; --paper: #F0EDE9; --paper-2: #E7E2DB;
  --muted: #4A5560; --rule: #D8D2C8; --soft: #8A8580; --white: #FFFFFF;
  --serif: Georgia, 'Times New Roman', 'Noto Serif', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, Helvetica, sans-serif;
  --maxw: 760px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--navy); font-family: var(--sans); font-size: 18px; line-height: 1.6; }
img { max-width: 100%; height: auto; }
a { color: var(--rose); }
h1, h2, h3 { font-family: var(--serif); font-weight: normal; line-height: 1.2; margin: 0 0 .5em 0; color: var(--navy); }
h1 { font-size: clamp(2rem, 6vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 4.5vw, 2.2rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em 0; color: var(--muted); }
p.lead { color: var(--navy); font-size: 1.15rem; }
em, .it { font-family: var(--serif); font-style: italic; }
.rose { color: var(--rose); }
.kicker { font-family: var(--sans); font-size: .78rem; letter-spacing: .22em; text-transform: uppercase; color: var(--rose); margin: 0 0 .8rem 0; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
section { padding: 64px 0; }
section.tight { padding: 40px 0; }
.rule { height: 1px; background: var(--rule); margin: 0; }
.rule.short { width: 56px; height: 2px; background: var(--rose); margin: 22px auto; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(240,237,233,.92); backdrop-filter: saturate(140%) blur(8px); border-bottom: 1px solid var(--rule); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.brand img { height: 34px; width: auto; }
.brand .word { font-family: var(--serif); font-size: 1.15rem; letter-spacing: .28em; line-height: 1; }
.brand .tag { display: block; font-size: .58rem; letter-spacing: .16em; text-transform: uppercase; color: var(--soft); margin-top: 3px; letter-spacing: .14em; }
.top nav a { text-decoration: none; color: var(--navy); font-size: .95rem; margin-left: 18px; }
.top nav a.btn { margin-left: 18px; }
@media (max-width: 560px) { .top nav a:not(.btn) { display: none; } .top nav a.btn { padding: 10px 14px; font-size: .92rem; white-space: nowrap; margin-left: 8px; } .brand .word { font-size: 1.05rem; } }

/* Buttons */
.btn { display: inline-block; background: var(--rose); color: var(--white) !important; text-decoration: none; font-family: var(--sans); font-weight: 600; font-size: 1.05rem; padding: 16px 28px; border-radius: 6px; border: 0; cursor: pointer; letter-spacing: .01em; line-height: 1.2; text-align: center; }
.btn:hover { background: #6f3d49; }
.btn.ghost { background: transparent; color: var(--navy) !important; border: 1.5px solid var(--navy); }
.btn.ghost:hover { background: rgba(34,53,63,.06); }
.btn.big { font-size: 1.15rem; padding: 18px 34px; width: 100%; max-width: 420px; }
.btn.wa { background: #1E8E5A; }
.btn.wa:hover { background: #17754a; }
.btn[disabled] { opacity: .6; cursor: default; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.actions.center { justify-content: center; }

/* Hero */
.hero { position: relative; color: var(--paper); background: var(--navy) url('bg-dark.jpg') center/cover no-repeat; text-align: center; padding: 84px 0 96px; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(20,32,40,.35), rgba(20,32,40,.55)); }
.hero .wrap { position: relative; z-index: 1; }
.hero .flame { height: 84px; margin-bottom: 14px; }
.hero .word { font-family: var(--serif); font-size: 1.6rem; letter-spacing: .4em; margin-left: .4em; }
.hero .tag { font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: rgba(240,237,233,.75); }
.hero h1 { color: var(--paper); margin-top: 26px; }
.hero h1 .it { color: var(--rose-soft); }
.hero p.lead { color: rgba(240,237,233,.9); max-width: 620px; margin: 18px auto 30px; }
.hero .btn.ghost { color: var(--paper) !important; border-color: rgba(240,237,233,.7); }
.hero .btn.ghost:hover { background: rgba(240,237,233,.1); }

/* Event card */
.event { background: var(--white); border: 1px solid var(--rule); border-radius: 10px; padding: 34px 28px; text-align: center; box-shadow: 0 8px 30px rgba(34,53,63,.06); }
.event .date { font-family: var(--serif); font-size: clamp(1.7rem, 5vw, 2.3rem); color: var(--navy); }
.event .times { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin: 16px 0; }
.event .time { border: 1.5px solid var(--navy); border-radius: 6px; padding: 10px 18px; font-family: var(--sans); font-weight: 600; letter-spacing: .06em; }
.event .place { color: var(--muted); }
.event .place a { color: var(--navy); }
.event .small { font-size: .95rem; color: var(--soft); }
.notice { border-left: 3px solid var(--rose); background: var(--paper-2); padding: 14px 18px; border-radius: 4px; margin: 20px 0; }
.notice p { margin: 0; color: var(--navy); font-size: 1rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 30px; }
@media (max-width: 640px) { .steps { grid-template-columns: 1fr; } }
.step .n { font-family: var(--serif); font-style: italic; font-size: 2.4rem; color: var(--rose); line-height: 1; margin-bottom: 8px; }
.step h3 { margin-bottom: 6px; }
.step p { font-size: 1rem; }

/* Two-tone section */
.dark { background: var(--navy); color: var(--paper); }
.dark h2, .dark h3 { color: var(--paper); }
.dark p { color: rgba(240,237,233,.85); }
.dark .kicker { color: var(--rose-soft); }
.dark a { color: var(--rose-soft); }
.dark .btn.ghost { color: var(--paper) !important; border-color: rgba(240,237,233,.6); }

/* Lists */
ul.clean { list-style: none; padding: 0; margin: 0; }
ul.clean li { padding: 12px 0 12px 30px; position: relative; border-bottom: 1px solid var(--rule); color: var(--muted); }
ul.clean li::before { content: "—"; position: absolute; left: 0; color: var(--rose); }
.dark ul.clean li { border-color: rgba(240,237,233,.15); color: rgba(240,237,233,.85); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 640px) { .two { grid-template-columns: 1fr; gap: 20px; } }

/* FAQ */
details { border-bottom: 1px solid var(--rule); padding: 6px 0; }
summary { cursor: pointer; font-family: var(--serif); font-size: 1.2rem; color: var(--navy); padding: 12px 0; list-style: none; position: relative; padding-right: 30px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 8px; color: var(--rose); font-size: 1.5rem; font-family: var(--sans); }
details[open] summary::after { content: "–"; }
details p { padding-bottom: 12px; }

/* Forms */
form { max-width: 560px; margin: 0 auto; }
.field { margin-bottom: 22px; }
label { display: block; font-size: 1rem; color: var(--navy); margin-bottom: 8px; font-weight: 600; }
label .opt { font-weight: normal; color: var(--soft); font-size: .9rem; }
input[type=text], input[type=tel], input[type=email], textarea { width: 100%; font: inherit; font-size: 1.1rem; padding: 15px 16px; border: 1.5px solid #B9B2A8; border-radius: 6px; background: var(--white); color: var(--navy); }
input:focus, textarea:focus { outline: 3px solid rgba(130,73,86,.25); border-color: var(--rose); }
textarea { min-height: 96px; resize: vertical; }
.radios { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.radio { position: relative; }
.radio input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.radio span { display: block; text-align: center; border: 1.5px solid #B9B2A8; border-radius: 6px; padding: 16px 10px; background: var(--white); font-weight: 600; font-size: 1.1rem; }
.radio input:checked + span { border-color: var(--rose); background: var(--rose); color: var(--white); }
.radio input:focus-visible + span { outline: 3px solid rgba(130,73,86,.35); }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: .98rem; color: var(--muted); }
.check input { width: 22px; height: 22px; margin: 3px 0 0 0; flex: 0 0 auto; accent-color: var(--rose); }
.err { color: #9B2C2C; font-size: .95rem; margin-top: 8px; display: none; }
.field.invalid .err { display: block; }
.field.invalid input, .field.invalid textarea { border-color: #9B2C2C; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* Success panel */
.ok { background: var(--white); border: 1px solid var(--rule); border-radius: 10px; padding: 34px 26px; text-align: center; }
.ok .mark { width: 64px; height: 64px; border-radius: 50%; background: var(--rose); color: #fff; font-size: 2rem; line-height: 64px; margin: 0 auto 14px; font-family: var(--serif); }
.ok .details { text-align: left; background: var(--paper); border-radius: 8px; padding: 18px 20px; margin: 20px 0; }
.ok .details p { margin: 0 0 6px 0; color: var(--navy); }
.ok .actions { flex-direction: column; align-items: stretch; }
.ok .btn { width: 100%; }

/* Footer */
footer { background: var(--navy); color: rgba(240,237,233,.75); padding: 44px 0 34px; font-size: .92rem; }
footer .brand { color: var(--paper); margin-bottom: 14px; }
footer .brand .tag { color: rgba(240,237,233,.6); }
footer a { color: var(--rose-soft); }
footer p { color: rgba(240,237,233,.7); }
footer .links { margin: 12px 0 18px; }
footer .links a { margin-right: 18px; text-decoration: none; }
footer .legal { font-size: .82rem; line-height: 1.5; color: rgba(240,237,233,.55); }