:root {
  --bg: #030912;
  --bg-deep: #02060c;
  --surface: #07111d;
  --surface-2: #0a1522;
  --surface-glass: rgba(7, 17, 29, 0.76);
  --line: rgba(127, 171, 214, 0.18);
  --line-bright: rgba(61, 153, 255, 0.42);
  --text: #f6f9ff;
  --muted: #9dabbc;
  --blue: #1596ff;
  --blue-2: #54b8ff;
  --cyan: #4ee8ff;
  --green: #25d366;
  --green-dark: #0ca941;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --container: 1160px;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 15px;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Manrope", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 72% 9%, rgba(0, 111, 220, 0.09), transparent 25%),
    radial-gradient(circle at 4% 52%, rgba(0, 104, 209, 0.07), transparent 22%),
    linear-gradient(180deg, #020812 0%, #030912 50%, #02070d 100%);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 10px;
  background: #fff;
  color: #000;
}
.skip-link:focus { transform: translateY(0); }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.ambient, .page-grid { position: fixed; pointer-events: none; z-index: -2; }
.ambient { width: 520px; height: 520px; border-radius: 50%; filter: blur(130px); opacity: .11; }
.ambient-one { top: -220px; left: 25%; background: #0562c9; }
.ambient-two { right: -260px; top: 38%; background: #0b8df4; }
.page-grid {
  inset: 0;
  opacity: .035;
  background-image:
    linear-gradient(rgba(85, 153, 215, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 153, 215, .5) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, transparent, #000 10%, #000 70%, transparent);
}

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 78px 0; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
  background: rgba(2, 8, 17, .87);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .18);
  backdrop-filter: blur(18px);
}
.header-inner { height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-display); text-transform: uppercase; letter-spacing: -.02em; }
.brand-mark { color: var(--blue); font-size: 1.35rem; font-weight: 800; letter-spacing: -.09em; }
.brand-name { font-size: .95rem; font-weight: 500; color: #c9d2dc; }
.brand-name b { color: #fff; font-weight: 800; }
.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a { color: #d8e0e8; font-size: .86rem; font-weight: 500; transition: color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--blue-2); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; background: rgba(7,17,29,.7); padding: 11px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 4px 0; border-radius: 99px; background: #fff; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.hero { position: relative; padding: 128px 0 0; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 68% 32%, rgba(20, 123, 235, .13), transparent 28%),
    linear-gradient(90deg, rgba(3, 9, 18, .35), transparent 60%);
  pointer-events: none;
}
.hero-grid { position: relative; min-height: 560px; display: grid; grid-template-columns: 1fr .95fr; align-items: center; gap: 58px; }
.hero-copy { position: relative; z-index: 4; padding-bottom: 48px; }
.eyebrow, .section-label { margin: 0; color: var(--blue); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow { display: inline-flex; padding: 6px 12px; border: 1px solid rgba(21,150,255,.5); border-radius: 999px; background: rgba(7, 37, 68, .72); }
.hero h1 { max-width: 660px; margin: 20px 0 16px; font-family: var(--font-display); font-size: clamp(3rem, 5.15vw, 5.25rem); line-height: 1.03; letter-spacing: -.055em; }
.hero h1 span { display: block; color: var(--blue); }
.hero-summary { max-width: 560px; margin: 0; color: #c4ceda; font-size: 1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 20px; border: 1px solid transparent; border-radius: 7px; font-size: .9rem; font-weight: 700; transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.button-whatsapp { background: linear-gradient(135deg, var(--green), #31dd68); color: #fff; box-shadow: 0 12px 32px rgba(37,211,102,.18); }
.button-whatsapp svg { fill: currentColor; stroke: none; }
.button-whatsapp:hover, .button-whatsapp:focus-visible { transform: translateY(-2px); background: linear-gradient(135deg, var(--green-dark), var(--green)); box-shadow: 0 16px 38px rgba(37,211,102,.25); }
.button-outline { color: #fff; border-color: rgba(43, 151, 255, .65); background: rgba(5, 14, 25, .5); }
.button-outline:hover, .button-outline:focus-visible { transform: translateY(-2px); background: rgba(21,150,255,.09); border-color: var(--blue-2); }
.terminal-copy { display: grid; gap: 2px; margin-top: 22px; color: #1596ff; font: 500 .74rem/1.6 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

.hero-media { position: relative; min-height: 500px; align-self: end; }
.portrait-shell { position: absolute; inset: 12px 0 0 6%; overflow: hidden; border-radius: 150px 28px 0 0; }
.portrait-shell img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 15%; filter: contrast(1.03) saturate(.95); }
.portrait-fade { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 58%, #030912 98%), linear-gradient(90deg, #030912 0, transparent 22%, transparent 84%, #030912 100%); }
.network { position: absolute; width: 290px; height: 220px; left: -85px; top: 155px; opacity: .65; background:
  radial-gradient(circle at 15% 20%, #2da9ff 0 2px, transparent 3px),
  radial-gradient(circle at 38% 48%, #2da9ff 0 2px, transparent 3px),
  radial-gradient(circle at 68% 34%, #2da9ff 0 2px, transparent 3px),
  radial-gradient(circle at 84% 70%, #2da9ff 0 2px, transparent 3px),
  radial-gradient(circle at 28% 80%, #2da9ff 0 2px, transparent 3px),
  conic-gradient(from 12deg at 38% 48%, transparent 0 8deg, rgba(45,169,255,.45) 8.5deg 9.2deg, transparent 9.5deg 55deg, rgba(45,169,255,.35) 55.5deg 56deg, transparent 56.5deg);
  filter: drop-shadow(0 0 8px rgba(45,169,255,.45));
}
.data-card { position: absolute; border: 1px solid rgba(24, 142, 255, .2); border-radius: 10px; background: rgba(3, 13, 24, .48); box-shadow: inset 0 0 32px rgba(0, 90, 180, .07); backdrop-filter: blur(5px); }
.data-card-chart { width: 170px; height: 122px; top: 76px; right: -10px; padding: 12px; }
.data-card-chart > span { color: rgba(91,190,255,.56); font: 600 .52rem ui-monospace, monospace; }
.bars { height: 72px; display: flex; align-items: end; gap: 7px; padding-top: 12px; }
.bars i { flex: 1; min-width: 4px; border-radius: 3px 3px 0 0; background: linear-gradient(to top, rgba(0,88,170,.35), #1a9dff); box-shadow: 0 0 10px rgba(26,157,255,.28); }
.bars i:nth-child(1){height:25%}.bars i:nth-child(2){height:44%}.bars i:nth-child(3){height:35%}.bars i:nth-child(4){height:70%}.bars i:nth-child(5){height:58%}.bars i:nth-child(6){height:88%}.bars i:nth-child(7){height:74%}
.data-sphere { position: absolute; width: 230px; aspect-ratio: 1; right: -38px; top: 195px; border: 1px solid rgba(26,157,255,.28); border-radius: 50%; background: radial-gradient(circle, rgba(26,157,255,.16), transparent 67%), repeating-radial-gradient(circle, transparent 0 18px, rgba(26,157,255,.1) 19px 20px); box-shadow: 0 0 40px rgba(0,111,220,.12); opacity: .75; }
.data-sphere::before, .data-sphere::after { content: ""; position: absolute; inset: 14% 3%; border: 1px solid rgba(41,164,255,.34); border-radius: 50%; }
.data-sphere::after { inset: 3% 25%; }
.data-sphere i { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: #43baff; box-shadow: 0 0 12px #43baff; }
.data-sphere i:nth-child(1){left:25%;top:24%}.data-sphere i:nth-child(2){right:22%;top:47%}.data-sphere i:nth-child(3){left:45%;bottom:18%}
.hero-signature { position: absolute; right: 42px; bottom: 26px; z-index: 5; display: grid; max-width: 240px; }
.hero-signature strong { color: var(--blue); font-family: cursive; font-size: 1.65rem; font-style: italic; font-weight: 500; }
.hero-signature span { color: #d6dee8; font-size: .56rem; letter-spacing: .15em; text-transform: uppercase; }

.offer-strip { position: relative; z-index: 10; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: -4px; padding: 24px 20px; border: 1px solid var(--line); border-radius: 13px; background: linear-gradient(180deg, rgba(9,19,31,.88), rgba(5,12,21,.95)); box-shadow: 0 22px 60px rgba(0,0,0,.24); }
.offer-strip article { display: grid; grid-template-columns: 50px 1fr; align-items: center; gap: 12px; min-width: 0; padding: 0 20px; border-right: 1px solid var(--line); }
.offer-strip article:last-child { border-right: 0; }
.offer-strip svg { width: 35px; height: 35px; color: var(--blue); fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.offer-strip b { display: block; margin-bottom: 4px; font-family: var(--font-display); font-size: .82rem; text-transform: uppercase; }
.offer-strip span { display: block; color: var(--muted); font-size: .7rem; line-height: 1.45; }

.about-grid { display: grid; grid-template-columns: .83fr 1.17fr; align-items: center; gap: 52px; }
.about-photo { position: relative; margin: 0; overflow: hidden; min-height: 440px; border: 1px solid rgba(39,141,235,.38); border-radius: 9px; background: #05111d; box-shadow: var(--shadow); }
.about-photo img { width: 100%; height: 440px; object-fit: cover; object-position: center; }
.about-photo::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 -60px 80px rgba(3,9,18,.32); pointer-events: none; }
.about-photo figcaption { position: absolute; left: 14px; bottom: 12px; z-index: 2; color: rgba(255,255,255,.62); font-size: .64rem; }
.about-copy h2, .section-header h2, .contact-copy h2 { margin: 10px 0 16px; font-family: var(--font-display); font-size: clamp(2rem, 3.3vw, 3.15rem); line-height: 1.08; letter-spacing: -.045em; }
.about-copy > p:not(.section-label) { max-width: 680px; margin-bottom: 14px; color: var(--muted); }
.authority-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 28px; border-top: 1px solid var(--line); }
.authority-grid div { padding: 24px 18px 0; border-right: 1px solid var(--line); }
.authority-grid div:first-child { padding-left: 0; }
.authority-grid div:last-child { border-right: 0; }
.authority-grid strong { display: block; color: #fff; font-family: var(--font-display); font-size: .98rem; }
.authority-grid span { display: block; margin-top: 4px; color: var(--muted); font-size: .68rem; line-height: 1.45; }

.panel { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, rgba(9,20,33,.78), rgba(5,12,21,.92)); box-shadow: 0 22px 70px rgba(0,0,0,.18); }
.section-header { padding: 24px 24px 4px; }
.section-header h2 { margin-bottom: 0; font-size: clamp(1.8rem, 3vw, 2.55rem); }
.topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 18px 18px 22px; }
.topic-card { position: relative; min-height: 272px; padding: 24px 20px 20px; border: 1px solid var(--line); border-radius: 13px; background: linear-gradient(155deg, rgba(12,25,40,.94), rgba(5,12,21,.84)); transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease; }
.topic-card::before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: radial-gradient(circle at 62% 23%, rgba(39,153,255,.75) 0 1px, transparent 1.8px); background-size: 18px 18px; mask-image: linear-gradient(135deg, transparent 0 25%, #000 70%, transparent); pointer-events: none; }
.topic-card:hover { transform: translateY(-5px); border-color: var(--line-bright); box-shadow: 0 20px 45px rgba(0,0,0,.28), inset 0 0 35px rgba(21,150,255,.045); }
.topic-card > svg { position: relative; width: 52px; height: 52px; margin-bottom: 18px; color: var(--blue); fill: none; stroke: currentColor; stroke-width: 1.35; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 10px rgba(21,150,255,.3)); }
.topic-card h3 { position: relative; margin: 0 0 7px; font-family: var(--font-display); font-size: 1.1rem; }
.topic-card p { position: relative; margin: 0; color: var(--muted); font-size: .79rem; line-height: 1.55; }
.topic-card a { position: absolute; left: 20px; bottom: 18px; display: inline-flex; align-items: center; gap: 7px; color: var(--blue-2); font-size: .73rem; font-weight: 600; }
.topic-card a svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.products { padding-top: 0; }
.products-panel { border-top-left-radius: 18px; border-top-right-radius: 18px; }
.product-grid { display: grid; grid-template-columns: 1.05fr 1fr .95fr; gap: 18px; padding: 18px 18px 22px; }
.product-card { overflow: hidden; min-width: 0; display: grid; grid-template-columns: 44% 56%; min-height: 260px; border: 1px solid var(--line); border-radius: 13px; background: rgba(5,13,23,.78); transition: transform .24s ease, border-color .24s ease; }
.product-card:hover { transform: translateY(-4px); border-color: var(--line-bright); }
.book-art, .course-art, .agent-art { position: relative; overflow: hidden; min-height: 100%; background: linear-gradient(150deg, #08172a, #020810); }
.book-art { margin: 14px 0 14px 14px; padding: 30px 14px; border-radius: 5px 11px 11px 5px; box-shadow: -8px 0 0 #02060b, 0 18px 35px rgba(0,0,0,.46), inset 0 0 32px rgba(23,150,255,.12); transform: perspective(500px) rotateY(-7deg); }
.book-art::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 60% 72%, rgba(28,155,255,.28), transparent 30%), repeating-radial-gradient(circle at 60% 72%, transparent 0 15px, rgba(36,153,255,.1) 16px 17px); }
.book-art span, .book-art strong, .book-art small { position: relative; z-index: 2; display: block; }
.book-art span { color: #85c9ff; font-size: .47rem; letter-spacing: .12em; }
.book-art strong { margin-top: 11px; font-family: var(--font-display); font-size: 1.55rem; line-height: 1.05; }
.book-art small { position: absolute; left: 14px; bottom: 20px; color: #bcd3e8; font-size: .54rem; }
.course-art { padding: 18px; background: linear-gradient(155deg, #0a1e34, #040b13); }
.screen-top { display: flex; gap: 5px; }
.screen-top i { width: 6px; height: 6px; border-radius: 50%; background: rgba(79,180,255,.55); }
.screen-chart { height: 115px; margin-top: 30px; display: flex; align-items: end; gap: 8px; padding: 14px; border: 1px solid rgba(70,167,255,.15); background: linear-gradient(rgba(16,87,150,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(16,87,150,.08) 1px, transparent 1px); background-size: 18px 18px; }
.screen-chart span { flex: 1; background: linear-gradient(to top, #0f5a9a, #21a6ff); box-shadow: 0 0 12px rgba(33,166,255,.22); }
.screen-chart span:nth-child(1){height:28%}.screen-chart span:nth-child(2){height:62%}.screen-chart span:nth-child(3){height:47%}.screen-chart span:nth-child(4){height:82%}.screen-chart span:nth-child(5){height:70%}
.course-art p { color: #8ccfff; font: 600 .68rem ui-monospace, monospace; }
.agent-art { background: radial-gradient(circle at 45% 42%, rgba(22,136,234,.19), transparent 35%), #030a13; }
.head-outline { position: absolute; width: 118px; height: 158px; left: 18px; top: 38px; border: 2px solid rgba(59,170,255,.46); border-radius: 52% 48% 42% 58% / 35% 55% 45% 65%; box-shadow: 0 0 28px rgba(31,145,238,.16); transform: rotate(-5deg); }
.agent-nodes i { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: #3db4ff; box-shadow: 0 0 14px #3db4ff; }
.agent-nodes i:nth-child(1){left:45px;top:70px}.agent-nodes i:nth-child(2){left:92px;top:90px}.agent-nodes i:nth-child(3){left:68px;top:130px}.agent-nodes i:nth-child(4){left:112px;top:155px}.agent-nodes i:nth-child(5){left:48px;top:185px}
.product-content { display: flex; flex-direction: column; padding: 20px 18px; }
.product-tag { align-self: flex-start; color: var(--blue); font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.product-tag-muted { color: #d0d7df; padding: 3px 7px; border-radius: 4px; background: rgba(255,255,255,.09); }
.product-content h3 { margin: 6px 0 8px; font-family: var(--font-display); font-size: 1.08rem; line-height: 1.2; }
.product-content p { margin: 0; color: var(--muted); font-size: .72rem; line-height: 1.5; }
.product-price { display: grid; margin-top: auto; padding-top: 13px; }
.product-price span { color: var(--muted); font-size: .6rem; }
.product-price strong { font-size: 1.05rem; }
.button-buy, .product-interest { min-height: 38px; margin-top: 10px; padding: 0 13px; border-radius: 6px; font-size: .72rem; }
.button-buy { justify-content: space-between; color: #fff; background: linear-gradient(135deg, #0878e6, #169dff); box-shadow: 0 8px 20px rgba(12,131,235,.18); }
.button-buy:hover, .button-buy:focus-visible { transform: translateY(-1px); background: linear-gradient(135deg, #1596ff, #31adff); }
.button-buy svg, .product-interest svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.contact-section { padding: 0 0 26px; }
.contact-card { display: grid; grid-template-columns: 150px 1fr auto; align-items: center; gap: 24px; min-height: 138px; padding: 22px 34px; border: 1px solid rgba(37,211,102,.25); border-radius: 18px; background: radial-gradient(circle at 10% 50%, rgba(37,211,102,.13), transparent 25%), linear-gradient(90deg, rgba(4,24,17,.94), rgba(5,19,27,.95)); box-shadow: 0 22px 60px rgba(0,0,0,.24); }
.contact-symbol { display: grid; place-items: center; }
.contact-symbol > span { position: relative; width: 82px; height: 82px; display: grid; place-items: center; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 10px rgba(37,211,102,.08), 0 0 0 22px rgba(37,211,102,.035), 0 0 35px rgba(37,211,102,.28); }
.contact-symbol svg { width: 46px; height: 46px; fill: #fff; }
.contact-copy h2 { margin: 0 0 4px; font-size: 1.8rem; }
.contact-copy p { margin: 0; max-width: 600px; color: #c0cbd6; font-size: .86rem; }
.contact-action { display: grid; justify-items: center; gap: 7px; }
.contact-action small { color: var(--muted); font-size: .63rem; }

.site-footer { padding: 28px 0 18px; border-top: 1px solid rgba(127,171,214,.11); background: rgba(2,7,13,.6); }
.footer-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1fr; gap: 28px; align-items: center; }
.footer-brand p { max-width: 230px; margin: 10px 0 0; color: var(--muted); font-size: .72rem; }
.footer-link { display: grid; grid-template-columns: 36px 1fr; align-items: center; gap: 10px; }
.footer-link > svg { width: 30px; height: 30px; color: var(--blue); fill: none; stroke: currentColor; stroke-width: 1.45; }
.footer-link[data-whatsapp] > svg { color: var(--green); fill: currentColor; stroke: none; }
.footer-link span { display: grid; }
.footer-link b { font-size: .78rem; }
.footer-link small { color: var(--muted); font-size: .62rem; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 28px; padding-top: 15px; border-top: 1px solid var(--line); color: #758395; font-size: .61rem; }
.footer-bottom div { display: flex; gap: 24px; }

.toast { position: fixed; right: 18px; bottom: 18px; z-index: 300; width: min(390px, calc(100% - 36px)); display: grid; grid-template-columns: 1fr auto; gap: 2px 14px; padding: 16px 46px 16px 18px; border: 1px solid rgba(58,166,255,.38); border-radius: 13px; background: rgba(5,15,25,.96); box-shadow: 0 22px 60px rgba(0,0,0,.42); backdrop-filter: blur(16px); transform: translateY(130%); opacity: 0; transition: transform .25s ease, opacity .25s ease; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast strong { font-size: .85rem; }
.toast span { grid-column: 1 / -1; color: var(--muted); font-size: .74rem; }
.toast button { position: absolute; top: 8px; right: 9px; width: 30px; height: 30px; border: 0; border-radius: 8px; background: transparent; color: #fff; font-size: 1.25rem; cursor: pointer; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }

:focus-visible { outline: 2px solid var(--blue-2); outline-offset: 3px; }

@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1.05fr .95fr; gap: 20px; }
  .hero h1 { font-size: clamp(3rem, 6vw, 4.7rem); }
  .data-card-chart { right: -25px; }
  .offer-strip article { grid-template-columns: 38px 1fr; padding: 0 12px; }
  .offer-strip svg { width: 30px; height: 30px; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 33% 67%; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-grid > :last-child { grid-column: 2; }
}

@media (max-width: 820px) {
  .header-inner { height: 70px; }
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 70px 18px auto; display: grid; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: rgba(3,10,19,.98); box-shadow: var(--shadow); backdrop-filter: blur(18px); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: .2s ease; }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav a { padding: 13px 12px; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .hero { padding-top: 104px; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding-bottom: 10px; }
  .hero-media { min-height: 530px; }
  .portrait-shell { inset: 8px 6% 0; }
  .offer-strip { grid-template-columns: repeat(2, 1fr); margin-top: 0; }
  .offer-strip article { padding: 16px; border-bottom: 1px solid var(--line); }
  .offer-strip article:nth-child(2) { border-right: 0; }
  .offer-strip article:nth-child(3), .offer-strip article:nth-child(4) { border-bottom: 0; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { min-height: 380px; }
  .about-photo img { height: 450px; }
  .authority-grid { grid-template-columns: repeat(2, 1fr); }
  .authority-grid div:nth-child(2) { border-right: 0; }
  .authority-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--line); padding-bottom: 20px; }
  .authority-grid div:nth-child(3), .authority-grid div:nth-child(4) { padding-top: 20px; }
  .contact-card { grid-template-columns: 92px 1fr; }
  .contact-action { grid-column: 1 / -1; justify-items: stretch; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > :last-child { grid-column: auto; }
}

@media (max-width: 580px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 58px 0; }
  .brand-name { font-size: .82rem; }
  .hero h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
  .hero-summary { font-size: .92rem; }
  .hero-actions .button { width: 100%; }
  .hero-media { min-height: 450px; }
  .portrait-shell { inset: 0 -20px 0 0; border-radius: 90px 18px 0 0; }
  .data-card-chart { top: 30px; right: -8px; width: 130px; height: 100px; }
  .data-sphere { width: 180px; right: -50px; top: 175px; }
  .hero-signature { right: 12px; bottom: 25px; }
  .hero-signature strong { font-size: 1.35rem; }
  .offer-strip { grid-template-columns: 1fr; padding: 8px 14px; }
  .offer-strip article { border-right: 0; border-bottom: 1px solid var(--line) !important; }
  .offer-strip article:last-child { border-bottom: 0 !important; }
  .about-grid { gap: 30px; }
  .about-photo { min-height: 340px; }
  .about-photo img { height: 390px; }
  .authority-grid { grid-template-columns: 1fr; }
  .authority-grid div { padding: 16px 0 !important; border-right: 0; border-bottom: 1px solid var(--line) !important; }
  .authority-grid div:last-child { border-bottom: 0 !important; }
  .panel { width: calc(100% - 18px); }
  .section-header { padding: 20px 16px 2px; }
  .topic-grid { grid-template-columns: 1fr; padding: 14px; }
  .product-grid { padding: 14px; }
  .product-card { grid-template-columns: 1fr; }
  .book-art, .course-art, .agent-art { min-height: 225px; margin: 0; }
  .book-art { margin: 16px; }
  .head-outline { left: calc(50% - 65px); }
  .agent-nodes i:nth-child(1){left:37%;}.agent-nodes i:nth-child(2){left:53%;}.agent-nodes i:nth-child(3){left:45%;}.agent-nodes i:nth-child(4){left:59%;}.agent-nodes i:nth-child(5){left:39%;}
  .contact-card { grid-template-columns: 1fr; padding: 24px 20px; text-align: center; }
  .contact-symbol { margin-bottom: 5px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-bottom div { flex-wrap: wrap; gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}