/* FFCHOICE — exam paper
   white paper, pen blue, OMR red, pencil grey, highlighter yellow */

:root { --paper: #f8fbf6; --paper2: #ebf1e6; --pen: #5e1fb4; --pen2: #441581; --omr: #a48118; --lead: #2e2e2e; --hi: #c5ff97; --mute: #5f6472; }

html { scroll-behavior: auto; }
body { overflow-x: hidden; }
main > section, footer { overflow-x: clip; }

.skip-link { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--pen); color: #ffffff; padding: 8px 14px; font-weight: 700; }
.skip-link:focus { left: 8px; }

.mono { font-family: "DM Mono", ui-monospace, monospace; }

/* paper variants */
.sheet-bg { background-color: var(--paper); }
.ruled { background-color: var(--paper); background-image: linear-gradient(rgba(94, 31, 180,.13) 1px, transparent 1px); background-size: 100% 36px; }
.grid-paper { background-color: var(--paper2); background-image: linear-gradient(rgba(94, 31, 180,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(94, 31, 180,.08) 1px, transparent 1px); background-size: 24px 24px; }
.blue-paper { background-color: var(--pen); color: #ffffff; background-image: linear-gradient(rgba(255, 255, 255,.08) 1px, transparent 1px); background-size: 100% 36px; }

/* OMR timing marks strip */
.timing { height: 14px; background: repeating-linear-gradient(90deg, var(--lead) 0 14px, transparent 14px 28px) 0 0 / 100% 10px no-repeat; margin: 0; }
.timing--omr { background: repeating-linear-gradient(90deg, var(--omr) 0 14px, transparent 14px 28px) 0 0 / 100% 10px no-repeat; }

.eyebrow { display: inline-flex; align-items: center; gap: 12px; font-family: "DM Mono", monospace; font-weight: 700; font-size: 13.5px; letter-spacing: .1em; text-transform: uppercase; }
.eyebrow b { display: inline-grid; place-items: center; min-width: 32px; height: 24px; padding: 0 6px; border: 2px solid currentColor; border-radius: 3px; font-weight: 700; }

/* hand-marked highlight */
.hl { background: linear-gradient(transparent 55%, var(--hi) 55% 92%, transparent 92%); padding: 0 .08em; }
.underline-pen { text-decoration: underline; text-decoration-color: var(--omr); text-decoration-thickness: 4px; text-underline-offset: 6px; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; white-space: nowrap; font-weight: 700; font-size: 18px; letter-spacing: .06em; text-transform: uppercase; padding: 13px 28px 12px; border-radius: 4px; cursor: pointer; transition: background .15s, transform .15s, box-shadow .15s; }
.btn--pen { background: var(--pen); color: #ffffff; box-shadow: 0 4px 0 var(--pen2); }
.btn--pen:hover { transform: translateY(-1px); box-shadow: 0 5px 0 var(--pen2); }
.btn--pen:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--pen2); }
.btn--line { box-shadow: inset 0 0 0 2px var(--lead); }
.btn--line:hover { background: var(--lead); color: #ffffff; }
.btn--white { background: #ffffff; color: var(--pen); box-shadow: 0 4px 0 rgba(0, 0, 0,.25); }
.btn--white:hover { transform: translateY(-1px); }
.btn--sm { padding: 8px 18px 7px; font-size: 16px; }
.btn__arrow { width: 16px; height: 10px; position: relative; display: inline-block; transition: transform .2s; }
.btn__arrow::before { content: ""; position: absolute; left: 0; right: 1px; top: 50%; height: 2.5px; background: currentColor; transform: translateY(-50%); }
.btn__arrow::after { content: ""; position: absolute; right: 1px; top: 50%; width: 8px; height: 8px; border-top: 2.5px solid currentColor; border-right: 2.5px solid currentColor; transform: translateY(-50%) rotate(45deg); }
.btn:hover .btn__arrow { transform: translateX(3px); }

.nl { font-weight: 700; font-size: 16px; letter-spacing: .08em; text-transform: uppercase; color: #ffffff; opacity: .88; padding: 6px 0; position: relative; transition: opacity .2s; }
.nl::after { content: ""; position: absolute; left: -4px; right: -4px; bottom: 4px; height: 8px; background: var(--hi); opacity: .0; z-index: -1; transition: opacity .2s; }
.nl:hover { opacity: 1; color: var(--lead); } .nl:hover::after { opacity: 1; }
.nl { z-index: 0; }

/* ---------- OMR bubbles ---------- */
.bub { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--omr); font-family: "DM Mono", monospace; font-size: 12px; font-weight: 500; color: var(--omr); flex: none; position: relative; }
.bub--fill { background: var(--lead); border-color: var(--lead); color: var(--lead); animation: fillin .5s ease both; animation-delay: var(--d, .6s); }
@keyframes fillin { from { transform: scale(.4); background: transparent; } 60% { transform: scale(1.15); } to { transform: scale(1); } }
.omr-sheet { position: relative; background: #ffffff; border: 2px solid var(--omr); box-shadow: 8px 8px 0 rgba(164, 129, 24,.22); padding: 20px 20px 20px 44px; }
.omr-sheet::before { content: ""; position: absolute; left: 14px; top: 20px; bottom: 20px; width: 14px; background: repeating-linear-gradient(180deg, var(--lead) 0 10px, transparent 10px 50px) 0 0 / 100% 100%; }
.omr-sheet::after { content: ""; position: absolute; right: 20px; top: -9px; width: 70px; height: 18px; background: var(--hi); opacity: .85; transform: rotate(-4deg); }

/* ---------- question cards ---------- */
.qcard { position: relative; background: #ffffff; border: 2px solid var(--lead); border-radius: 4px; transition: transform .25s, box-shadow .25s; }
.qcard:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--pen); }
.qcard[data-reveal].is-visible { transition: opacity .6s ease var(--reveal-delay, 0ms), transform .25s, box-shadow .25s; }
.opt { display: flex; align-items: flex-start; gap: 12px; padding: 8px 10px; border-radius: 4px; }
.opt--right { background: rgba(197, 255, 151,.55); }
.tick { position: absolute; right: 16px; top: 12px; width: 44px; height: 44px; }
.tag { display: inline-block; font-family: "DM Mono", monospace; font-size: 12.5px; padding: 3px 10px; border: 1.5px solid var(--lead); border-radius: 999px; }

/* ---------- process (question paper sections) ---------- */
.section-bar { display: flex; align-items: center; justify-content: space-between; border-bottom: 3px double var(--lead); padding-bottom: 8px; font-family: "DM Mono", monospace; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }

/* ---------- testimonial remark ---------- */
.remark { position: relative; background: #ffffff; border: 2px solid var(--lead); border-radius: 4px; }
.circle-mark { position: absolute; right: 14px; top: 14px; transform: rotate(-8deg); border: 3px solid var(--omr); color: var(--omr); border-radius: 50%; padding: 6px 12px; font-family: "DM Mono", monospace; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; background: #ffffff; }

/* ---------- FAQ: answer bubble ---------- */
.faq-item { border-bottom: 2px dashed rgba(46, 46, 46,.3); }
.faq-item:first-child { border-top: 2px dashed rgba(46, 46, 46,.3); }
.faq-trigger { width: 100%; display: flex; align-items: center; gap: 16px; text-align: left; padding: 20px 0; cursor: pointer; }
.faq-trigger:hover .faq-q { color: var(--pen); }
.faq-x { width: 30px; height: 30px; flex: none; border-radius: 50%; border: 2.5px solid var(--omr); transition: background .2s; position: relative; }
.faq-item[data-state="open"] .faq-x { background: var(--lead); border-color: var(--lead); }
.faq-item[data-state="open"] .faq-q { color: var(--pen); }
.faq-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
.faq-body > * { overflow: hidden; min-height: 0; }
.faq-item[data-state="open"] .faq-body { grid-template-rows: 1fr; }

/* ---------- form (answer sheet) ---------- */
.fieldbox { display: block; background: #ffffff; border: 2px solid var(--lead); border-radius: 4px; padding: 8px 12px 5px; transition: box-shadow .15s, border-color .15s; }
.fieldbox:focus-within { border-color: var(--pen); box-shadow: 4px 4px 0 var(--pen); }
.lbl { display: block; font-family: "DM Mono", monospace; font-weight: 700; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--omr); }
.field { width: 100%; background: transparent; border: 0; outline: 0; font-size: 20px; font-weight: 500; padding: 4px 0; color: var(--pen); font-family: "Barlow Condensed", sans-serif; }
select.field { appearance: none; -webkit-appearance: none; cursor: pointer; }
.fieldbox--sel { position: relative; }
.fieldbox--sel::after { content: ""; position: absolute; right: 14px; bottom: 17px; width: 8px; height: 8px; border-right: 2.5px solid var(--lead); border-bottom: 2.5px solid var(--lead); transform: rotate(45deg); pointer-events: none; }

/* ---------- reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s cubic-bezier(.2,.8,.2,1); transition-delay: var(--reveal-delay, 0ms); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 90; transform: translate(-50%, 30px); opacity: 0; pointer-events: none; background: var(--lead); color: #ffffff; border-radius: 4px; padding: 13px 24px; font-weight: 700; font-size: 17px; max-width: calc(100vw - 32px); transition: opacity .3s, transform .3s; box-shadow: 4px 4px 0 var(--omr); }
.toast.is-shown { opacity: 1; transform: translate(-50%, 0); }
.toast__msg::before { content: "✓ "; color: var(--hi); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .bub--fill { animation: none; }
}