:root{--ink:#312b48;--purple:#6250a8;--soft:#f1edf9;--line:#e6e0f0;--muted:#696175}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:linear-gradient(145deg,#fbf8ff,#f3f7fd);font-family:'IRAN Rounded',Tahoma,sans-serif;font-size:16px;line-height:1.9}a{color:var(--purple);text-underline-offset:5px}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #9979d6;outline-offset:4px}.ex-nav{max-width:1000px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 24px}.ex-nav img{object-fit:contain;vertical-align:middle}.ex-nav span{color:var(--muted);font-size:.9rem}.ex-nav a{text-decoration:none}.ex-shell{width:min(900px,100%);margin:10px auto 50px;padding:0 22px}.ex-hero{max-width:700px;margin:0 auto 26px;text-align:center;padding:35px 12px}.ex-tag{display:inline-block;color:var(--purple);background:var(--soft);padding:5px 12px;border-radius:30px;font-size:.85rem}h1{font-size:clamp(1.75rem,4.4vw,2.8rem);line-height:1.65;margin:18px 0}h2{font-size:1.35rem;margin:10px 0}h3{font-size:1.15rem}p{margin:10px 0 18px}.ex-lead{font-size:1.12rem;line-height:2}.ex-muted{font-size:.86rem;color:var(--muted)}.ex-pair{display:flex;justify-content:center;align-items:center;gap:15px;margin:28px 0}.ex-pair span{width:70px;height:70px;border-radius:50%;display:grid;place-items:center;background:#e4ddf7}.ex-pair span:last-child{background:#dcebf7}.ex-pair i{font-size:36px;font-style:normal;color:#b37a99}.ex-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.ex-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;margin:16px 0;box-shadow:0 9px 30px #47396005}.ex-number{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--soft);color:var(--purple)}.ex-primary,.ex-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--purple);border-radius:14px;padding:12px 22px;text-decoration:none;min-height:48px;font-weight:600;line-height:1.8}.ex-primary{color:#fff;background:var(--purple)}.ex-secondary{color:var(--purple);background:#fff}.ex-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:18px 0}.ex-link{display:inline-block;border:0;background:none;color:var(--purple);text-decoration:underline;padding:10px 0;margin:6px 0}.ex-check{display:flex;align-items:start;justify-content:center;gap:10px;flex-wrap:wrap;margin:20px 0;font-size:.9rem}.ex-check input{margin-top:9px;width:19px;height:19px;accent-color:var(--purple)}.ex-question{max-width:620px;margin:25px auto}progress{display:block;width:100%;height:8px;margin-top:20px;accent-color:var(--purple)}fieldset{border:0;padding:0;margin:25px 0}legend{margin-bottom:12px}.ex-option{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0;cursor:pointer}.ex-option:has(input:checked){background:var(--soft);border-color:var(--purple)}.ex-option input{width:19px;height:19px;accent-color:var(--purple);flex-shrink:0}.ex-field{display:block;margin:20px 0}.ex-field input,.ex-field select{display:block;width:100%;padding:12px;border:1px solid #beb3d0;border-radius:12px;background:white;margin-top:8px;color:var(--ink);min-width:0}details{margin:18px 0}summary{cursor:pointer;color:var(--purple);padding:8px 0}.ex-notice,.ex-errors{padding:15px 20px;border-radius:14px;background:#eaf3ef;color:#285c47}.ex-errors{background:#fff0ec;color:#823927}.ex-shared{border-color:#d2e0f4;background:#f7faff}.ex-result{border-top:5px solid #d9c9ef}.ex-resources{white-space:pre-line}.ex-footer{max-width:850px;margin:auto;padding:25px 22px 40px;text-align:center;font-size:.85rem}.ex-footer a{display:inline-block;margin:6px 12px}.ex-footer p{color:var(--muted)}@media(max-width:650px){.ex-grid{grid-template-columns:1fr}.ex-card{padding:22px}.ex-shell{padding:0 16px}.ex-nav{padding:12px 16px}.ex-nav span{display:none}.ex-hero{padding:18px 2px}.ex-row>*{flex:1}.ex-primary,.ex-secondary{width:100%}.ex-check{justify-content:start;text-align:right;flex-wrap:nowrap}.ex-controls button{font-size:.9rem}}
/* The invitation and its value stay together, including on narrow screens. */
.ex-shell{width:min(1120px,100%)}.ex-nav{max-width:1160px}.duo-landing{display:grid;grid-template-columns:1.12fr 1fr;gap:48px;align-items:center;padding:30px 0 46px}.duo-hero-copy h1{font-size:clamp(2.8rem,6vw,4.6rem);line-height:1.5;margin:12px 0 18px;letter-spacing:-1.5px}em{font-style:normal;color:#7653ad}.duo-pills{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.duo-pills span{font-size:.8rem;border:1px solid #ddd4eb;padding:5px 10px;border-radius:30px;background:#fff}.duo-signup{background:#fff;padding:22px;border:1px solid #e4dbee;border-radius:22px;box-shadow:0 16px 40px #57437108}.duo-signup .ex-field{margin:0}.duo-signup .ex-check{justify-content:flex-start;flex-wrap:nowrap;text-align:start;font-size:.8rem}.duo-wide{width:100%;gap:16px;justify-content:space-between}.duo-preview{background:linear-gradient(155deg,#eee8f7,#f1f5fc 60%,#fff6f0);border:1px solid #ded4eb;border-radius:32px;padding:28px;box-shadow:0 24px 70px #58407410;position:relative}.duo-eyebrow{font-size:.8rem;font-weight:600;letter-spacing:.2px;color:#7653ad}.duo-preview h2{font-size:1.4rem;line-height:1.9;margin:22px 0}.duo-avatar-row{display:flex;align-items:center;justify-content:center;gap:18px;margin:22px 0}.duo-avatar-row span{display:grid;place-items:center;width:64px;height:64px;background:#d8cbe9;border:5px solid #ffffffb0;border-radius:50%;font-weight:600}.duo-avatar-row span:last-child{background:#cddde9}.duo-avatar-row i{font-style:normal;font-size:28px;color:#8a709c}.duo-chat{width:90%;padding:16px;border-radius:16px;background:#fff;box-shadow:0 6px 22px #56457108;font-size:.9rem;margin:16px 0}.duo-chat-me{border-bottom-right-radius:3px}.duo-chat-you{margin-inline-start:auto;background:#e8edf8;border-bottom-left-radius:3px}.duo-example{margin-top:26px;border-top:1px solid #dcd3e6;padding-top:20px}.duo-example p{margin-bottom:0}.duo-section{padding:35px 0}.duo-section>h2{font-size:clamp(1.3rem,3vw,1.9rem);max-width:600px}.duo-next{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;align-items:center;background:#fbfaff}.duo-week{display:grid;grid-template-columns:1fr 1fr;gap:10px}.duo-week span{font-size:.85rem;border-radius:12px;padding:16px 8px;text-align:center;background:#eee8f6}.duo-week span:nth-child(even){background:#e6edf7}.duo-faq{padding:20px 0;max-width:760px}.duo-faq details{border-bottom:1px solid #ded5e8;padding:4px 0}.duo-intro{max-width:700px;margin:25px auto;text-align:center}.duo-setup{max-width:760px;margin:20px auto}.duo-setup>fieldset:first-of-type{margin-top:0}.duo-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.duo-safety{background:#f8f7fb;border-radius:18px;padding:20px;margin-top:24px}.duo-safety h2{font-size:1.1rem}.duo-safety-row{display:flex;gap:25px;margin:16px 0;border-bottom:1px solid #e3ddec;padding-bottom:14px}.duo-safety-row legend{font-size:.9rem}.duo-safety-row label{display:flex;align-items:center;gap:10px;min-height:44px;min-width:64px}.duo-setup>.ex-check,.duo-sms .ex-check{justify-content:flex-start;flex-wrap:nowrap;text-align:start}.duo-invite{border:1px solid #c8b1e5;background:linear-gradient(145deg,#faf7ff,#f3f7ff);box-shadow:0 18px 60px #59417810;max-width:760px;margin:20px auto 30px}.duo-invite h1{font-size:clamp(1.9rem,4vw,2.8rem);margin:12px 0}.duo-invite-text{border-inline-start:3px solid #a88bc9;padding-inline-start:18px;font-size:.9rem}.duo-sms{border-top:1px solid #dbd1e9;padding-top:20px;margin-top:28px}.duo-sms h2{font-size:1.2rem}.duo-request{margin:20px 0;padding:22px;border-radius:18px;background:#f1edf8;border-inline-start:4px solid #9973bf;font-size:1.14rem;line-height:2.2}.duo-steps{padding-inline-start:25px}.duo-steps li{padding:6px 0}.ex-result{max-width:760px;margin-inline:auto}.duo-sms input[type=tel],.duo-signup input[type=tel]{font-size:1.15rem;letter-spacing:1px}.duo-invite input[readonly]{font-size:.85rem;overflow:auto}.ex-check input{flex-shrink:0}button:disabled{opacity:.65;cursor:wait}.duo-safety input{accent-color:var(--purple)}
@media(max-width:760px){.duo-landing{grid-template-columns:1fr;gap:24px;padding:16px 0 28px}.duo-hero-copy h1{font-size:3.1rem}.duo-preview{padding:24px}.duo-next{grid-template-columns:1fr}.duo-form-grid{grid-template-columns:1fr}.duo-form-grid .ex-field{margin:6px 0}.duo-signup{padding:18px}.duo-safety{padding:16px}.duo-invite .ex-row{gap:10px}.duo-invite .ex-row>*{flex-basis:100%}.duo-invite h1{font-size:2rem}.duo-wide{justify-content:center}.duo-section{padding:20px 0}.duo-request{font-size:1rem;padding:18px}.duo-pills{gap:5px}.duo-pills span{font-size:.72rem;padding:4px 8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
.duo-landing{padding-top:12px;gap:36px}.duo-hero-copy h1{font-size:clamp(2.1rem,4vw,3.1rem);line-height:1.5;margin:8px 0 14px;letter-spacing:-1px}.duo-hero-copy h1 br{display:none}.duo-hero-copy>.ex-lead{font-size:1.04rem}.duo-pills{margin:16px 0}.duo-signup .ex-muted{font-size:.76rem;margin-bottom:0}.duo-signup .ex-check{margin:14px 0}.duo-otp{max-width:540px;margin:30px auto}.duo-otp h1{font-size:2rem}.duo-otp input[name=code]{font-size:1.6rem;letter-spacing:12px;text-align:center}.duo-otp .ex-field{margin:20px 0}@media(max-width:760px){.duo-hero-copy h1{font-size:2.35rem}.duo-signup{padding:16px}.duo-landing{padding-top:0}.duo-hero-copy>p{font-size:.95rem}.duo-pills{margin:12px 0}.duo-hero-copy>.ex-lead{font-size:1rem}}
.duo-shared-title{font-size:clamp(1.5rem,3.8vw,2.2rem);margin:12px 0}.ex-shared{max-width:760px;margin-inline:auto}

/* Keep secondary controls available without competing with the current step. */
.ex-options{border-top:1px solid var(--line);padding-top:8px;margin-top:20px}.ex-options>summary{font-size:.88rem;min-height:44px}.ex-options[open]{padding-bottom:10px}.ex-options .ex-secondary{margin:6px 0}.ex-consent{line-height:1.85}.duo-signup .ex-consent{margin:12px 0}.duo-signup>.ex-primary{margin-top:6px}.ex-night-list{padding-inline-start:24px}.ex-night-list li{padding:10px 0;border-bottom:1px solid var(--line)}.ex-night-list a{display:block;font-weight:600;padding:6px 0}.ex-footer details{max-width:560px;margin:0 auto 14px}.ex-footer summary{font-size:.85rem}.duo-invite>#copy-invite{justify-content:center}.duo-invite>#copy-status:empty{display:none}.ex-hero .ex-consent{max-width:540px;margin:20px auto}.ex-controls{max-width:760px;margin-inline:auto}

[hidden]{display:none!important}.ex-live-status{max-width:760px;margin:18px auto;text-align:center}.duo-waiting{max-width:760px;margin-inline:auto}.duo-waiting h1{font-size:clamp(1.5rem,3.4vw,2rem)}