/* ---------- แถบชื่อเครื่องดนตรีวิ่ง ---------- */
.marquee { overflow: hidden; background: var(--night); color: var(--on-dark); padding: 22px 0; transform: rotate(-1.2deg) scale(1.02); margin-block: -10px; position: relative; z-index: 2; }
.marquee__track { display: flex; align-items: center; gap: 28px; width: max-content; animation: marquee 48s linear infinite; }
.marquee__item { font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: clamp(22px, 2.6vw, 32px); white-space: nowrap; }
.marquee__sep { width: 26px; height: 26px; color: var(--orange); flex: none; }
.marquee__sep:nth-of-type(3n) { color: var(--gold); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- ปัญหา → คำตอบ ---------- */
.problem { background: var(--paper); }
.problem__grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(20px, 4vw, 48px); align-items: center; }
.problem__label { font-family: var(--font-display); font-size: 22px; font-weight: 700; margin-bottom: 22px; color: var(--ink-3); }
.problem__label--after { color: var(--orange-2); }
.scraps { display: grid; gap: 14px; }
.scrap {
  display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; border-radius: 6px;
  background: #fff6d6; color: #5a4a2a; box-shadow: 0 10px 18px -12px rgba(90, 70, 20, .5);
  rotate: var(--r); font-size: 16px; position: relative;
}
.scrap:nth-child(even) { background: #ffe9e1; margin-left: 8%; }
.scrap::before { content: ""; position: absolute; top: -8px; left: 50%; width: 54px; height: 16px; translate: -50% 0; rotate: 2deg; background: rgba(255, 255, 255, .55); box-shadow: 0 1px 2px rgba(0, 0, 0, .06); }
.scrap .icon { flex: none; color: #d0473b; margin-top: 4px; stroke-width: 2.6; }
.problem__arrow { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--orange); color: #fff; box-shadow: 0 14px 30px -12px rgba(239, 109, 32, .8); }
.problem__after { padding: clamp(24px, 3vw, 36px); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.tidy { display: grid; gap: 4px; }
.tidy li { display: flex; gap: 14px; align-items: center; padding: 12px 4px; border-bottom: 1px dashed var(--line); font-size: 16.5px; font-weight: 500; }
.tidy li:last-child { border-bottom: 0; }
.tidy__ic { display: grid; place-items: center; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--orange); color: #fff; }
.tidy__ic .icon { stroke-width: 3; }
@media (max-width: 860px) {
  .problem__grid { grid-template-columns: 1fr; }
  .problem__arrow { rotate: 90deg; margin-inline: auto; }
  .scrap:nth-child(even) { margin-left: 4%; }
}

/* ---------- ฟีเจอร์ ---------- */
.features { background: linear-gradient(var(--paper), var(--cream) 30%); }
.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: center; padding-block: clamp(36px, 5vw, 64px); }
.feature--flip .feature__copy { order: 2; }
.feature__meta { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.feature__num { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: 22px; line-height: 1; color: var(--orange-2); font-variant-numeric: lining-nums; }
.feature__num::after { content: ""; width: 28px; height: 1.5px; background: currentColor; opacity: .35; }
.feature--family .feature__num { color: var(--violet-2); }
.feature__tag { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 6px; border-radius: 999px; background: var(--orange-soft); color: var(--orange-2); font-size: 14px; font-weight: 700; }
.feature__ic { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: #fff; }
.feature--family .feature__tag { background: var(--violet-soft); color: var(--violet-2); }
.feature--family .ticks .icon { background: var(--violet-soft); color: var(--violet); }
.feature__body { margin: 16px 0 26px; font-size: 18px; color: var(--ink-2); max-width: 32em; }
.feature__visual { position: relative; display: flex; justify-content: center; align-items: center; min-height: clamp(440px, 44vw, 570px); }
.feature__glow { position: absolute; inset: 6% 4%; border-radius: 48% 52% 44% 56% / 52% 46% 54% 48%; background: radial-gradient(circle at 40% 40%, rgba(239, 109, 32, .28), rgba(242, 180, 90, .14) 50%, transparent 72%); filter: blur(4px); }
.feature--family .feature__glow { background: radial-gradient(circle at 40% 40%, rgba(124, 58, 237, .26), rgba(167, 139, 250, .14) 50%, transparent 72%); }
.feature__visual .phone { width: clamp(220px, 23vw, 290px); position: relative; }
.feature__visual--pair .phone--front { translate: -22% 0; rotate: -3deg; z-index: 2; }
.feature__visual--pair .phone--back { position: absolute; width: clamp(190px, 20vw, 250px); translate: 38% 8%; rotate: 6deg; z-index: 1; filter: saturate(.95) brightness(.98); }
.feature__visual .phone { transition: transform .6s var(--ease); }
.feature:hover .phone--front { transform: translateY(-8px); }
.feature:hover .phone--back { transform: translateY(6px); }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature--flip .feature__copy { order: 0; }
  .feature__visual { min-height: 0; padding-block: 12px 24px; }
  .feature__visual .phone { width: min(62vw, 270px); }
  .feature__visual--pair .phone--back { width: min(52vw, 230px); }
}

.minis {
  position: relative; overflow: hidden; isolation: isolate;
  margin-top: clamp(48px, 7vw, 96px); padding: clamp(28px, 4.5vw, 56px);
  border-radius: calc(var(--radius) + 10px);
  background: linear-gradient(160deg, #fff 0%, #fffaf5 55%, #fbf3ff 100%);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.minis__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(22px, 2.2vw, 28px); text-align: center; margin-bottom: clamp(28px, 3.5vw, 40px); text-wrap: balance; }
.minis__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.mini { display: grid; align-content: start; gap: 4px; padding: 22px; border-radius: var(--radius-sm); background: rgba(255, 255, 255, .85); border: 1px solid var(--line); transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
.mini:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(239, 109, 32, .28); }
.mini__ic { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; margin-bottom: 10px; background: var(--orange-soft); color: var(--orange-2); transition: transform .3s var(--ease); }
.mini:hover .mini__ic { transform: rotate(-6deg) scale(1.06); }
.mini:nth-child(3n+2) .mini__ic { background: var(--violet-soft); color: var(--violet); }
.mini:nth-child(3n+2):hover { border-color: rgba(124, 58, 237, .25); }
.mini strong { font-size: 16.5px; line-height: 1.35; }
.mini > span:last-child { font-size: 14.5px; color: var(--ink-3); }
@media (max-width: 900px) { .minis__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* มือถือ: แถวแนวนอน ไอคอนซ้าย อ่านไล่ง่ายกว่ากริด 2 ช่องที่บีบ */
@media (max-width: 560px) {
  .minis { padding: 24px 14px 14px; margin-inline: -4px; }
  .minis__grid { grid-template-columns: 1fr; gap: 8px; }
  .mini { grid-template-columns: 40px 1fr; column-gap: 14px; row-gap: 0; padding: 14px 16px; }
  .mini__ic { grid-row: span 2; width: 40px; height: 40px; margin: 2px 0 0; }
}

/* ---------- เหมาะกับใคร ---------- */
.who { background: var(--paper); }
.who__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.persona { border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .4s var(--ease); }
.persona:hover { transform: translateY(-6px); }
.persona__cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.persona__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.persona:hover .persona__cover img { transform: scale(1.06); }
.persona__cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(26, 15, 34, .85)); }
.persona--academy .persona__cover::after { background: linear-gradient(180deg, rgba(91, 33, 182, .1) 30%, rgba(42, 16, 70, .9)); }
.persona__title { position: absolute; z-index: 1; left: 22px; right: 22px; bottom: 18px; color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 26px; line-height: 1.2; }
.persona__body { padding: 22px 24px 26px; display: grid; gap: 18px; color: var(--ink-2); }
.persona--family .ticks .icon { background: var(--violet-soft); color: var(--violet); }
@media (max-width: 900px) { .who__grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

.laptop { margin: clamp(56px, 8vw, 100px) auto 0; max-width: 940px; }
.laptop__screen { padding: 14px 14px 18px; border-radius: 20px 20px 6px 6px; background: linear-gradient(#2a221d, #15100c); box-shadow: var(--shadow-lg); }
.laptop__screen img { width: 100%; height: auto; border-radius: 6px; }
.laptop__base { height: 18px; margin-inline: -6%; border-radius: 0 0 22px 22px; background: linear-gradient(#e8ddd3, #c9b9ab); box-shadow: 0 16px 30px -14px rgba(60, 30, 10, .5); position: relative; }
.laptop__base::before { content: ""; position: absolute; left: 50%; top: 0; width: 16%; height: 7px; translate: -50% 0; border-radius: 0 0 10px 10px; background: rgba(0, 0, 0, .12); }
.laptop figcaption { text-align: center; margin-top: 20px; font-size: 14.5px; color: var(--ink-3); }

/* ---------- หลักการ ---------- */
.principles { background: var(--night); color: var(--on-dark); overflow: hidden; isolation: isolate; }
.principles__bg { position: absolute; inset: 0; z-index: -1; }
.principles__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .32; }
.principles__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--night) 0%, rgba(26, 15, 34, .55) 45%, var(--night) 100%); }
.principles__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.principle { padding: 28px 24px; border-radius: var(--radius); background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.principle__ic { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 16px; background: linear-gradient(145deg, var(--orange), var(--orange-2)); color: #fff; margin-bottom: 18px; box-shadow: 0 10px 22px -10px rgba(239, 109, 32, .9); }
.principle:nth-child(even) .principle__ic { background: linear-gradient(145deg, #9a6bff, var(--violet-2)); box-shadow: 0 10px 22px -10px rgba(124, 58, 237, .9); }
.principle strong { display: block; font-family: var(--font-display); font-size: 21px; margin-bottom: 8px; }
.principle p { color: var(--on-dark-2); font-size: 15.5px; }
@media (max-width: 980px) { .principles__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .principles__grid { grid-template-columns: 1fr; } }