/* The Book Free Trial page: the same fields as the current form, in three short steps. */
.grad-dark{background:linear-gradient(90deg,#111827,var(--blue) 50%,#111827);-webkit-background-clip:text;background-clip:text;color:transparent}
.bt-hero{background:linear-gradient(135deg,#eff6ff,#fff 50%,#dbeafe);padding-block:60px 92px;text-align:center}
.bt-hero h1{font-size:58px;display:inline-block;padding-bottom:4px;letter-spacing:-.045em}
.bt-hero-inner>p{font-size:19px;color:#4b5563;max-width:780px;margin:16px auto 0;line-height:1.7}
.bt-chips{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.bt-chips li{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#17436a;background:#fff;border:1px solid #cfe5f8;padding:8px 15px;border-radius:999px;box-shadow:0 4px 12px #1d4e7a0f}
.bt-chips .icon{width:17px;height:17px;color:var(--blue)}
.bt-faces{display:inline-flex;align-items:center;gap:12px;margin-top:24px;font-size:15px;color:#33506b}
.bt-face-stack{display:flex}
.bt-face-stack img{width:40px;height:40px;border-radius:50%;object-fit:cover;object-position:50% 30%;border:2px solid #fff;margin-left:-10px;box-shadow:0 3px 8px #1d4e7a33}
.bt-face-stack>:first-child,.bt-face-stack>:first-child img{margin-left:0}
.bt-faces strong{color:var(--blue)}
.bt-main{padding-bottom:60px;margin-top:-48px;position:relative}
.bt-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:36px;align-items:start}

/* The form card. */
.bt-form-card{background:#fff;border:2px solid #0f1b2d;border-radius:22px;padding:34px;box-shadow:10px 10px 0 var(--blue);position:relative}
.bt-form-head h2{font-size:30px;letter-spacing:-.035em}
.bt-form-head p{font-size:15px;color:var(--muted);margin-top:8px}
.bt-progress{list-style:none;padding:0;margin:24px 0 28px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.bt-progress li{position:relative;display:flex;align-items:center;gap:8px;padding-top:16px;font-size:14px;font-weight:600;color:#7a8ea1}
.bt-progress li::before{content:'';position:absolute;top:0;left:0;right:0;height:6px;border-radius:6px;background:#e5eef6;overflow:hidden}
.bt-progress li::after{content:'';position:absolute;top:0;left:0;height:6px;width:0;border-radius:6px;background:linear-gradient(90deg,var(--blue),var(--blue-deep));transition:width .6s var(--ease)}
.bt-progress li.done::after,.bt-progress li.current::after{width:100%}
.bt-progress li span{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#e5eef6;color:#5b6b7a;font-size:12px;font-weight:700;flex-shrink:0;transition:background .3s,color .3s}
.bt-progress li.done span,.bt-progress li.current span{background:var(--blue);color:#fff}
.bt-progress li.current{color:var(--ink)}
.bt-step{border:0;padding:0;margin:0;min-width:0}
.bt-step.entering{animation:step-in .45s var(--ease)}
.bt-step-title{font-size:21px;font-weight:700;margin-bottom:18px;padding:0;letter-spacing:-.025em}
.bt-field{margin-bottom:22px}
.bt-label{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px;font-size:15px;font-weight:600;color:#1f3248;margin-bottom:9px}
.bt-label>span{color:#d32f2f}
.bt-label small{font-size:13px;font-weight:500;color:var(--muted)}
.bt-segment{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bt-segment label,.bt-chip{position:relative;cursor:pointer}
.bt-segment input,.bt-chip input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.bt-segment label>span{display:flex;align-items:center;justify-content:center;gap:10px;min-height:58px;padding:8px 12px;border:2px solid #d6e3ee;border-radius:12px;font-size:15px;font-weight:600;color:#26394d;background:#fff;transition:border-color .2s,background .2s,box-shadow .2s,color .2s}
.bt-segment .icon{width:20px;height:20px;color:var(--blue)}
.bt-segment label:hover>span{border-color:#8fc7f2}
.bt-segment input:checked+span{border-color:var(--blue);background:#eaf5ff;color:#0b5fa8;box-shadow:0 0 0 3px #1d94ef2e}
.bt-segment input:focus-visible+span,.bt-chip input:focus-visible+span{outline:3px solid #1367ac;outline-offset:2px}
.bt-chips-grid{display:flex;flex-wrap:wrap;gap:8px}
.bt-chip>span{display:flex;align-items:center;justify-content:center;gap:6px;min-height:46px;padding:8px 14px;border:1.5px solid #d6e3ee;border-radius:10px;font-size:14px;font-weight:600;color:#26394d;background:#fff;transition:border-color .2s,background .2s,color .2s,box-shadow .2s,transform .2s;white-space:nowrap}
.bt-chip:hover>span{border-color:#8fc7f2}
.bt-chip input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 6px 14px #1d94ef40}
.bt-select{position:relative}
.bt-select select,.bt-input{width:100%;min-height:54px;padding:12px 16px;border:2px solid #d6e3ee;border-radius:12px;font:inherit;font-size:16px;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;appearance:none}
.bt-select select{padding-right:44px;cursor:pointer}
.bt-select .icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);pointer-events:none;color:#5b6b7a;width:20px;height:20px}
.bt-input::placeholder{color:#8293a5}
.bt-input:focus,.bt-select select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px #1d94ef2e}
textarea.bt-input{min-height:112px;resize:vertical;line-height:1.6}
.bt-phone{display:flex;align-items:stretch}
.bt-prefix{display:grid;place-items:center;padding:0 14px;border:2px solid #d6e3ee;border-right:0;border-radius:12px 0 0 12px;background:#f4f8fb;font-weight:600;color:#26394d}
.bt-phone .bt-input{border-radius:0 12px 12px 0}
.bt-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bt-field.invalid .bt-input,.bt-field.invalid select,.bt-field.invalid .bt-segment label>span,.bt-field.invalid .bt-chip>span,.bt-field.invalid .bt-prefix{border-color:#e05252}
.bt-error{display:flex;align-items:center;gap:6px;font-size:14px;color:#c62828;margin-top:8px;font-weight:500}
.bt-error:empty{display:none}
.bt-error::before{content:'!';width:18px;height:18px;border-radius:50%;background:#c62828;color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;flex-shrink:0}
.bt-other{margin-top:10px}
.bt-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:26px;padding-top:22px;border-top:1px solid #e8eff5}
.bt-nav .button{min-height:52px}
.bt-review{background:#f4f9fe;border:1px solid #d8eaf8;border-radius:14px;padding:16px 18px}
.bt-review-title{font-size:14px;font-weight:700;color:#1f3248;margin-bottom:10px}
#bt-summary{display:grid;grid-template-columns:auto 1fr;gap:7px 16px;margin:0;font-size:14px}
#bt-summary dt{color:var(--muted)}
#bt-summary dd{margin:0;font-weight:600;color:var(--ink);overflow-wrap:anywhere}
.bt-success{text-align:center;padding:16px 0 6px}
.bt-success:focus{outline:none}
.bt-success-icon{width:88px;height:88px;margin:8px auto 20px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;box-shadow:0 0 0 12px #22c55e26;animation:pop-in .6s var(--ease)}
.bt-success-icon .icon{width:42px;height:42px;stroke-width:2.6}
.bt-success h3{font-size:27px;font-weight:700;letter-spacing:-.03em}
.bt-success>p:not(.bt-mock-note){color:var(--muted);margin-top:8px}
.bt-next-list{list-style:none;padding:0;margin:24px auto;max-width:440px;text-align:left;display:flex;flex-direction:column;gap:10px}
.bt-next-list li{display:flex;gap:12px;align-items:center;font-size:15px;background:#f4f9fe;border-radius:12px;padding:12px 14px}
.bt-next-list span{width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex-shrink:0}
.bt-mock-note{font-size:13px;color:#8a5d00;background:#fff5e6;display:inline-block;padding:4px 12px;border-radius:999px;margin-bottom:18px}

/* Version 5 fields: three-way choices, the subjects dropdown and the availability grid. */
.bt-step-note{font-size:14px;color:var(--muted);background:#f4f9fe;border:1px solid #d8eaf8;border-radius:10px;padding:10px 14px;margin:-6px 0 20px}
.bt-segment.three{grid-template-columns:repeat(3,1fr)}
.bt-multi{position:relative}
.bt-multi-btn{width:100%;min-height:54px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px 12px 16px;border:2px solid #d6e3ee;border-radius:12px;background:#fff;font-size:16px;color:#8293a5;text-align:left;transition:border-color .2s,box-shadow .2s}
.bt-multi-btn.has-value{color:var(--ink);font-weight:600}
.bt-multi-btn .icon{width:20px;height:20px;color:#5b6b7a;transition:transform .25s}
.bt-multi-btn[aria-expanded=true]{border-color:var(--blue);box-shadow:0 0 0 4px #1d94ef2e}
.bt-multi-btn[aria-expanded=true] .icon{transform:rotate(180deg)}
.bt-field.invalid .bt-multi-btn{border-color:#e05252}
.bt-multi-panel{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:5;max-height:330px;overflow-y:auto;background:#fff;border:1px solid #cfe0ee;border-radius:14px;box-shadow:0 20px 44px #0f285029;padding:8px;animation:faq-open .25s var(--ease)}
.bt-multi-group+.bt-multi-group{border-top:1px solid #edf2f7;margin-top:4px;padding-top:4px}
.bt-multi-group>p{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#5b6b7a;padding:8px 10px 4px}
.bt-multi-group label{display:flex;align-items:center;gap:12px;min-height:44px;padding:8px 10px;border-radius:9px;cursor:pointer;font-size:15px;font-weight:500}
.bt-multi-group label:hover{background:#f1f8fe}
.bt-multi-group input{width:20px;height:20px;margin:0;accent-color:var(--blue);flex-shrink:0}
.bt-picked{display:flex;flex-wrap:wrap;gap:8px}
.bt-picked:not(:empty){margin-top:10px}
.bt-pick{display:inline-flex;align-items:center;gap:7px;min-height:34px;padding:4px 10px 4px 12px;border-radius:999px;background:var(--blue);color:#fff;font-size:14px;font-weight:600;box-shadow:0 4px 10px #1d94ef40}
.bt-pick::after{content:'×';font-size:18px;line-height:1;opacity:.85}
.bt-pick:hover{background:#1580d6}
.bt-quick{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.bt-quick button{min-height:38px;padding:6px 12px;border:1.5px solid #cfe0ee;border-radius:999px;background:#fff;font-size:13px;font-weight:600;color:#1f5f93;transition:border-color .2s,background .2s}
.bt-quick button:hover{border-color:var(--blue);background:#eef7ff}
.bt-quick button[data-quick=clear]{color:#5b6b7a}
.bt-avail{display:flex;flex-direction:column;gap:6px;padding:12px;border:2px solid #d6e3ee;border-radius:14px;background:#fbfdff}
.bt-field.invalid .bt-avail{border-color:#e05252}
.bt-avail-row{display:grid;grid-template-columns:52px repeat(3,minmax(0,1fr));gap:6px;align-items:center}
.bt-avail-head span{font-size:12px;font-weight:700;color:#5b6b7a;text-align:center;letter-spacing:.02em}
.bt-avail-day{font-size:14px;font-weight:700;color:#26394d}
.bt-slot{position:relative;cursor:pointer}
.bt-slot input{position:absolute;opacity:0;width:1px;height:1px}
.bt-slot span{display:grid;place-items:center;height:40px;border:1.5px solid #d6e3ee;border-radius:9px;background:#fff;color:transparent;transition:background .2s,border-color .2s,color .2s,transform .15s}
.bt-slot:hover span{border-color:#8fc7f2}
.bt-slot .icon{width:18px;height:18px;stroke-width:2.6}
.bt-slot input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 4px 10px #1d94ef40}
.bt-slot input:focus-visible+span{outline:3px solid #1367ac;outline-offset:2px}
.bt-slot:active span{transform:scale(.96)}

/* Beside the form. */
.bt-side{display:flex;flex-direction:column;gap:20px}
.bt-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 10px 30px #1d4e7a0d}
.bt-card h2{font-size:24px;letter-spacing:-.03em}
.bt-card>p{font-size:15px;color:var(--muted);margin-top:12px;line-height:1.75}
.bt-features{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:18px}
.bt-features li{display:flex;gap:14px}
.bt-feature-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;flex-shrink:0;box-shadow:0 6px 14px #1d94ef40}
.bt-features h3{font-size:16px;font-weight:700;letter-spacing:-.02em}
.bt-features p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.6}
.bt-card h2.bt-card-small{font-size:19px;display:flex;align-items:center;gap:8px}
.bt-contacts{grid-template-columns:1fr;margin-top:14px;max-width:none}
.bt-cancel{background:#fffaf0;border-color:#f3d9a4}
.bt-cancel h2 .icon{color:#b45309;width:20px;height:20px}
.bt-quote{margin:0;padding:26px;border-radius:18px;background:linear-gradient(150deg,#0b3a80,#1D94EF);color:#fff;position:relative;overflow:hidden}
.bt-quote blockquote{margin:0;font-size:20px;font-weight:600;line-height:1.5;letter-spacing:-.015em;position:relative;z-index:1}
.bt-quote figcaption{margin-top:14px;display:flex;flex-direction:column;position:relative;z-index:1}
.bt-quote strong{font-size:15px}
.bt-quote span{font-size:13px;color:#cfe6ff}
.bt-quote::after{content:'“';position:absolute;right:14px;top:-18px;font-family:Georgia,serif;font-size:130px;color:#ffffff24}
.page-trial .faq-section{border-top:0;background:transparent}

@keyframes step-in{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:none}}
@keyframes pop-in{from{transform:scale(.4);opacity:0}to{transform:none;opacity:1}}

@media(max-width:1024px){
.bt-grid{grid-template-columns:1fr;max-width:760px;margin-inline:auto}
}

@media(max-width:720px){
.bt-hero{padding-block:36px 74px}
.bt-hero h1{font-size:38px}
.bt-hero-inner>p{font-size:16px}
.bt-chips{gap:8px;margin-top:22px}
.bt-chips li{font-size:13px;padding:7px 12px}
.bt-faces{font-size:14px}
.bt-face-stack img{width:34px;height:34px}
.bt-main{margin-top:-44px;padding-bottom:30px}
.bt-form-card{padding:22px 18px;border-width:1.5px;border-radius:18px;box-shadow:6px 6px 0 var(--blue)}
.bt-form-head h2{font-size:24px}
.bt-progress{margin:20px 0 22px;gap:6px}
.bt-progress li{font-size:13px}
.bt-progress li:not(.current){font-size:0;gap:0}
.bt-progress li.current{grid-column:span 1}
.bt-step-title{font-size:19px}
.bt-chip>span{padding:8px 10px}
.bt-two{grid-template-columns:1fr;gap:0}
.bt-nav{gap:10px}
.bt-nav .button-outline{padding-inline:16px;gap:10px}
.bt-nav .shiny-button{flex:1;gap:12px;padding-inline:14px}
.bt-card{padding:22px 20px}
.bt-card h2{font-size:21px}
.bt-quote blockquote{font-size:18px}
}

@media(max-width:720px){
.bt-segment.three label>span{flex-direction:column;gap:4px;min-height:64px;font-size:14px}
.bt-avail{padding:10px 8px}
.bt-avail-row{grid-template-columns:40px repeat(3,minmax(0,1fr));gap:5px}
.bt-avail-head span{font-size:12px}
.bt-slot span{height:38px}
}

@media(max-width:380px){
.bt-segment label>span{flex-direction:column;gap:4px;font-size:14px}
.bt-nav .shiny-button>span{font-size:14px}
}