/* =========================================================
   WorkBuddy-style Landing Page
   Design tokens extracted from www.workbuddy.cn
   ========================================================= */

/* ---- Brand fonts (same CDN as original site) ---- */
@font-face {
  font-family: "Alimama ShuHeiTi";
  src: url("https://acc-1258344699.cos.accelerate.myqcloud.com/web/website/assets/AlimamaShuHeiTi-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Alimama FangYuanTi VF";
  src: url("https://acc-1258344699.cos.accelerate.myqcloud.com/web/website/assets/AlimamaFangYuanTiVF-Thin.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  /* Brand — blue tone derived from the qiqiugou logo (#123b66 navy + #9ecddf cyan) */
  --brand: #2b7fc4;
  --brand-dark: #123b66;
  --mint: #9ecddf;
  --purple: #2f6fc9;
  --purple-2: #5b9be0;

  /* Ink & text */
  --ink: #191a23;
  --ink-2: #1a1a1a;
  --gray: #666666;
  --gray-2: #858699;

  /* Surfaces */
  --bg: #ffffff;
  --bg-soft: #f5f9fd;
  --bg-soft-2: #eef5fb;
  --border: #e3edf6;
  --border-soft: #eef5fb;

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #2b7fc4 0%, #6fc3e6 100%);
  --grad-accent: linear-gradient(135deg, #6fc3e6 0%, #2b6fc9 100%);
  --grad-dark: linear-gradient(135deg, #102a4c 0%, #1c4a7a 100%);

  /* Shape */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 22px;

  /* Shadow */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 30px rgba(25, 26, 35, 0.08);
  --shadow-lg: 0 20px 60px rgba(25, 26, 35, 0.12);
  --shadow-brand: 0 14px 40px rgba(43, 127, 196, 0.28);

  --maxw: 1200px;
  --font-display: "Alimama ShuHeiTi", "PingFang SC", -apple-system, system-ui, "Microsoft YaHei", sans-serif;
  --font-body: "Alimama FangYuanTi VF", "PingFang SC", -apple-system, system-ui, "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; color: var(--ink); }
a { text-decoration: none; color: inherit; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============================ NAV ============================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.brand__logo {
  height: 46px; width: auto;
  display: block;
  object-fit: contain;
}
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a { font-size: 15px; color: var(--gray); transition: color .2s; }
.nav__links a:hover { color: var(--ink); }
.nav__actions { display: flex; align-items: center; gap: 14px; }
.nav__login { font-size: 15px; color: var(--ink); }

/* ============================ BUTTONS ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-size: 15px; font-weight: 600;
  padding: 11px 22px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .18s ease, box-shadow .25s ease, background .2s; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-brand); }
.btn--primary:hover { box-shadow: 0 18px 46px rgba(43, 127, 196, 0.4); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn--light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.28); backdrop-filter: blur(6px); }
.btn--light:hover { background: rgba(255,255,255,.24); }
.btn--lg { padding: 14px 30px; font-size: 16px; }

/* ============================ HERO ============================ */
.hero { position: relative; padding: 72px 0 90px; overflow: hidden; }
.hero__glow {
  position: absolute; inset: -20% -10% auto -10%; height: 640px;
  background: radial-gradient(60% 60% at 50% 0%, rgba(50,230,185,.20), transparent 70%),
              radial-gradient(40% 50% at 80% 10%, rgba(47,111,201,.14), transparent 70%);
  filter: blur(10px); pointer-events: none; z-index: 0;
}
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.badge-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; color: var(--brand-dark);
  background: rgba(43,127,196,.10); border: 1px solid rgba(43,127,196,.22); margin-bottom: 22px;
}
.badge-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px rgba(43,127,196,.18); }
.hero h1 { font-size: 50px; letter-spacing: -.5px; margin-bottom: 20px; }

/* Rolling "我帮你 XXX" slogan (matches original hero) */
.rotator {
  display: inline-block;
  vertical-align: bottom;
  overflow: hidden;
  height: 1.15em;
  position: relative;
}
.rotator__track {
  display: flex;
  flex-direction: column;
  transition: transform .65s cubic-bezier(.4, 0, .2, 1);
  will-change: transform;
}
.rotator__track > span {
  display: block;
  height: 1.15em;
  line-height: 1.15em;
  white-space: nowrap;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero p.lead { font-size: 18px; color: var(--gray); max-width: 520px; margin-bottom: 32px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 36px; margin-top: 44px; }
.hero__stats .num { font-family: var(--font-display); font-size: 30px; background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero__stats .label { font-size: 13px; color: var(--gray-2); }

/* ---- Hero demo card (agent chat) ---- */
.demo {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.demo__bar { display: flex; align-items: center; gap: 7px; padding: 14px 18px; border-bottom: 1px solid var(--border-soft); background: var(--bg-soft); }
.demo__bar i { width: 11px; height: 11px; border-radius: 50%; background: #dcdcdc; display: inline-block; }
.demo__bar i:nth-child(1){ background:#ff5f57; } .demo__bar i:nth-child(2){ background:#febc2e; } .demo__bar i:nth-child(3){ background:#28c840; }
.demo__bar span { margin-left: 8px; font-size: 13px; color: var(--gray-2); }
.demo__body { padding: 20px; display: flex; flex-direction: column; gap: 14px; min-height: 380px; }
.msg { display: flex; gap: 10px; align-items: flex-start; }
.msg__avatar { width: 30px; height: 30px; border-radius: 8px; flex: none; display: grid; place-items: center; color: #fff; font-size: 14px; }
.msg--user .msg__avatar { background: var(--grad-dark); }
.msg--ai .msg__avatar { background: var(--grad-brand); }
.msg__avatar--img { background: #fff !important; padding: 0; overflow: hidden; }
.msg__avatar--img img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }
.msg__bubble { background: var(--bg-soft); border-radius: 4px 12px 12px 12px; padding: 10px 14px; font-size: 14px; color: var(--ink-2); max-width: 88%; }
.msg--user { flex-direction: row-reverse; }
.msg--user .msg__bubble { background: #eaf4fb; border-radius: 12px 4px 12px 12px; color: var(--brand-dark); }
.deliverables { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 2px; }
.chip { font-size: 12px; padding: 5px 11px; border-radius: 999px; background: rgba(43,127,196,.10); color: var(--purple); border: 1px solid rgba(43,127,196,.2); }
.deliver-image { margin-top: 10px; border-radius: 12px; overflow: hidden; border: 1px solid var(--border-soft); box-shadow: var(--shadow-sm); width: 200px; max-width: 72%; }
.deliver-image img { display: block; width: 100%; height: auto; }
/* typewriter generation log in the demo card */
.gen-console { font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace; font-size: 12px; line-height: 1.85; color: var(--brand-dark); }
.gen-line { white-space: normal; }
.gen-cursor { display: inline-block; width: 7px; height: 1em; background: var(--brand); vertical-align: text-bottom; margin-left: 2px; animation: genBlink 1s steps(1) infinite; }
.gen-ok { color: var(--brand); font-weight: 600; margin-top: 2px; }
@keyframes genBlink { 50% { opacity: 0; } }

/* ============================ SECTION SHELL ============================ */
.section { padding: 84px 0; }
.section--soft { background: var(--bg-soft); }
.section__head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.eyebrow { font-size: 14px; font-weight: 700; letter-spacing: 2px; color: var(--brand); text-transform: uppercase; margin-bottom: 12px; }
.section__head h2 { font-size: 38px; margin-bottom: 16px; }
.section__head p { font-size: 17px; color: var(--gray); }

/* ============================ FEATURE (deep research) ============================ */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.fcard {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); padding: 30px 26px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.fcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(43,127,196,.4); }
.fcard__ic { width: 50px; height: 50px; border-radius: 14px; background: var(--grad-brand); color: #fff; display: grid; place-items: center; font-size: 24px; margin-bottom: 18px; box-shadow: var(--shadow-brand); }
.fcard h3 { font-size: 20px; margin-bottom: 10px; }
.fcard p { font-size: 15px; color: var(--gray); }

/* Training-system detail block (#research) */
.training-detail {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px;
}
.td-col {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 28px 26px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.td-col:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(43,127,196,.4); }
.td-col h4 { font-size: 19px; color: var(--brand-dark); display: flex; align-items: center; gap: 9px; }
.td-col h4::before { content: ""; width: 6px; height: 20px; border-radius: 3px; background: var(--grad-brand); display: inline-block; }
.td-col p { font-size: 14.5px; color: var(--gray); line-height: 1.7; }
.td-tags { font-size: 13px !important; color: var(--brand) !important; background: var(--bg-soft-2); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; line-height: 1.9 !important; }
.td-col .btn--ghost { align-self: flex-start; margin-top: auto; }

@media (max-width: 860px) {
  .training-detail { grid-template-columns: 1fr; }
}

/* ============================ ECOSYSTEM (orbital) ============================ */
.ecosystem-section { position: relative; width: 100%; background: #fff; padding: clamp(60px, 8vw, 120px) 0 clamp(40px, 6vw, 80px); overflow: hidden; }
.ecosystem-header { text-align: center; margin-bottom: 0; }
.ecosystem-title {
  margin: 0 0 16px; color: #000; font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 50px); font-weight: 700; line-height: 1.2;
  display: flex; justify-content: center; align-items: center;
}
.ecosystem-subtitle { margin: 0 auto; max-width: 720px; color: #5a5a5a; font-family: var(--font-body); font-size: clamp(14px, 1.4vw, 16px); font-weight: 500; line-height: 1.6; }

.ecosystem-orbit {
  --orbit-size: clamp(420px, 50vw, 720px);
  --orbit-radius: calc(var(--orbit-size) / 2);
  --item-distance: calc(var(--orbit-radius) * .86);
  position: relative; width: var(--orbit-size); height: var(--orbit-size); margin: 48px auto 0;
}
.ecosystem-center { position: absolute; top: 50%; left: 50%; width: 200px; height: 80px; transform: translate(-50%, -50%); display: flex; align-items: center; justify-content: center; z-index: 3; }
.ecosystem-center-logo { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 10px 24px rgba(43, 127, 196, .35)); }

.ecosystem-items-orbit { position: absolute; inset: 0; transform-origin: 50% 50%; will-change: transform; animation: ecosystem-orbit-spin 60s linear infinite; }
.ecosystem-item { position: absolute; top: 50%; left: 50%; width: 0; height: 0; transform: translate(-50%, -50%) rotate(var(--angle)); z-index: 2; }
.ecosystem-item-inner {
  position: absolute; top: 0; left: 0;
  transform: translate(-50%, -50%) translateY(calc(var(--item-distance) * -1)) rotate(calc(var(--angle) * -1));
  display: inline-flex; align-items: center; gap: 14px;
  padding: 14px 32px 14px 14px; background: #fff; border-radius: 999px;
  box-shadow: 0 8px 24px rgba(20, 30, 40, .08), 0 2px 6px rgba(20, 30, 40, .04);
  white-space: nowrap; transform-origin: center; will-change: transform;
  animation: ecosystem-item-counter-spin 60s linear infinite;
}
.ecosystem-item-icon { flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; overflow: hidden; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.ecosystem-item-icon img { width: 82%; height: 82%; object-fit: contain; }
.ecosystem-item-name { color: #1a1a1a; font-family: var(--font-body); font-size: 24px; font-weight: 600; line-height: 1; }

/* concentric glowing rings */
.orbit-ring { position: absolute; top: 50%; left: 50%; border-radius: 50%; transform: translate(-50%, -50%); pointer-events: none; z-index: 1; }
.orbit-ring-inner { width: 52%; height: 52%; background: linear-gradient(#eef5fb, #eef5fb) padding-box, linear-gradient(180deg, #2b7fc400, #2b7fc414 8%, #2b7fc41f 12%, #2b7fc400) border-box; border: 4.29px solid transparent; }
.orbit-ring-svg { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none; overflow: visible; z-index: 0; }
.orbit-ring-outer { width: 100%; height: 100%; }
.orbit-ring-middle { width: 78%; height: 78%; }

@keyframes ecosystem-orbit-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes ecosystem-item-counter-spin { from { rotate: 0deg; } to { rotate: -360deg; } }

@media (prefers-reduced-motion: reduce) {
  .ecosystem-items-orbit, .ecosystem-item-inner { animation: none; }
}

/* mobile: shrink the orbit + pills */
@media (max-width: 640px) {
  .ecosystem-orbit { --orbit-size: 360px; margin-top: 32px; }
  .ecosystem-item-inner { padding: 6px 14px 6px 6px; gap: 6px; }
  .ecosystem-item-icon { width: 26px; height: 26px; }
  .ecosystem-item-name { font-size: 13px; }
  .ecosystem-center { width: 110px; height: 44px; }
}

/* ============================ TESTIMONIALS ============================ */
.tgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tcard {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); padding: 26px 24px;
  display: flex; flex-direction: column; gap: 16px; transition: transform .25s, box-shadow .25s;
}
.tcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.tcard__quote { font-size: 15px; color: var(--ink-2); line-height: 1.7; }
.tcard__person { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 16px; font-weight: 700; flex: none; }
.tcard__name { font-size: 15px; font-weight: 700; }
.tcard__role { font-size: 13px; color: var(--gray-2); }

/* ============================ ABOUT (brand intro) ============================ */
.about-wrap {
  display: grid; grid-template-columns: .82fr 1.18fr; gap: 28px; align-items: stretch;
}
.about-brand {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 36px 32px; display: flex; flex-direction: column; gap: 16px; box-shadow: var(--shadow-sm);
}
.about-logo { width: 210px; max-width: 72%; }
.about-logo img { width: 100%; height: auto; display: block; }
.about-brand h3 { font-size: 21px; color: var(--ink); line-height: 1.45; }
.about-tag { font-size: 13px; letter-spacing: 2px; color: var(--brand); font-weight: 700; }
.about-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.about-badges li { font-size: 13px; padding: 7px 14px; border-radius: 999px; background: var(--bg-soft-2); color: var(--brand-dark); border: 1px solid var(--border); }
.about-story {
  background: linear-gradient(180deg, #f4fafe, #ffffff);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 34px 36px; display: flex; flex-direction: column; gap: 16px;
}
.about-story h4 { font-size: 22px; color: var(--brand-dark); display: flex; align-items: center; gap: 10px; }
.about-story h4::before { content: ""; width: 6px; height: 22px; border-radius: 3px; background: var(--grad-brand); display: inline-block; }
.about-story p { font-size: 15px; color: var(--gray); line-height: 1.85; }

@media (max-width: 860px) {
  .about-wrap { grid-template-columns: 1fr; }
}

/* ============================ CONTACT (联系我们) ============================ */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.contact-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 32px 30px; display: flex; flex-direction: column; gap: 14px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(43,127,196,.4); }
.contact-card h4 { font-size: 22px; color: var(--brand-dark); display: flex; align-items: center; gap: 10px; }
.contact-card h4::before { content: ""; width: 6px; height: 22px; border-radius: 3px; background: var(--grad-brand); display: inline-block; }
.contact-card p { font-size: 15px; color: var(--gray); line-height: 1.8; flex: 1; }
.contact-card .btn { align-self: flex-start; }
.contact-qr { display: flex; justify-content: center; margin: 6px 0 2px; }
.contact-qr img { width: 172px; height: 172px; object-fit: contain; border-radius: 12px; border: 1px solid var(--border); background: #fff; padding: 8px; box-shadow: var(--shadow-sm); }
.contact-qr-note { text-align: center; font-size: 13.5px; color: var(--brand-dark); font-weight: 600; margin-top: 2px; }

.contact-info {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 26px 30px;
  box-shadow: var(--shadow-sm);
}
.contact-info__item { display: flex; flex-direction: column; gap: 7px; }
.contact-info__label {
  font-size: 13px; font-weight: 700; color: var(--brand);
  letter-spacing: .5px;
}
.contact-info__value { font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.contact-info__value a { color: var(--brand-dark); font-weight: 600; text-decoration: none; }
.contact-info__value a:hover { color: var(--brand); }

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { grid-template-columns: 1fr; gap: 16px; padding: 22px; }
}

/* ============================ FOOTER ============================ */
.footer { border-top: 1px solid var(--border-soft); padding: 56px 0 30px; background: #fff; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer__col h4 { font-size: 15px; margin-bottom: 16px; }
.footer__col a { display: block; font-size: 14px; color: var(--gray); margin-bottom: 10px; transition: color .2s; }
.footer__col a:hover { color: var(--brand); }
.footer__about p { font-size: 14px; color: var(--gray); max-width: 280px; }
.footer__bottom { border-top: 1px solid var(--border-soft); padding-top: 22px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--gray-2); flex-wrap: wrap; gap: 12px; }
.footer__bottom-right { display: inline-flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-beian { color: var(--gray-2); transition: color .2s; }
.footer-beian:hover { color: var(--brand); }

/* ============================ QR MODAL ============================ */
.qr-modal { position: fixed; inset: 0; z-index: 9999; display: none; align-items: center; justify-content: center; padding: 20px; }
.qr-modal.is-open { display: flex; }
.qr-modal__backdrop { position: absolute; inset: 0; background: rgba(18,59,102,.45); backdrop-filter: blur(2px); }
.qr-modal__panel {
  position: relative; z-index: 1; background: #fff; border-radius: var(--r-lg);
  padding: 34px 34px 28px; width: 320px; max-width: 100%; text-align: center;
  box-shadow: 0 24px 60px rgba(18,59,102,.28); animation: qrPop .22s ease;
}
@keyframes qrPop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.qr-modal__close {
  position: absolute; top: 10px; right: 14px; width: 32px; height: 32px; border: none;
  background: transparent; font-size: 26px; line-height: 1; color: var(--gray-2); cursor: pointer;
  border-radius: 8px; transition: background .2s, color .2s;
}
.qr-modal__close:hover { background: #f1f6fb; color: var(--brand-dark); }
.qr-modal__title { font-size: 18px; color: var(--ink); margin-bottom: 18px; }
.qr-modal__imgwrap { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 14px; display: inline-block; }
.qr-modal__imgwrap img { display: block; width: 200px; height: 200px; object-fit: contain; }
.qr-modal__tip { font-size: 13px; color: var(--gray); margin-top: 16px; }

/* ============================ REVEAL ANIM ============================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================ RESPONSIVE ============================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .feature-grid, .tgrid { grid-template-columns: repeat(2, 1fr); }
  .eco-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .hero h1 { font-size: 36px; }
  .section__head h2 { font-size: 28px; }
  .feature-grid, .tgrid, .eco-grid, .price-grid, .footer__top { grid-template-columns: 1fr; }
  .hero__stats { gap: 22px; }
  .download { padding: 44px 22px; }
}