:root {
    --navy-950: #07111f;
    --navy-900: #0b1829;
    --navy-800: #12243a;
    --navy-700: #183653;
    --orange: #ff9900;
    --orange-light: #ffb84d;
    --cyan: #37dfc7;
    --blue: #4f8cff;
    --purple: #8d62ff;
    --ink: #162233;
    --muted: #637083;
    --surface: #ffffff;
    --surface-soft: #f4f7fb;
    --line: #dce4ee;
    --shadow: 0 20px 60px rgba(8, 24, 43, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    overflow-x: hidden;
    color: var(--ink);
    background: #fff;
    font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}
body, button, a { font-family: inherit; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
svg { display: block; }
button { border: 0; }
.content { width: min(1280px, calc(100% - 48px)); margin: 0 auto; }

/* Navigation */
.site-nav {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: 82px;
    background: rgba(7, 17, 31, .72);
    border-bottom: 1px solid rgba(255,255,255,.08);
    backdrop-filter: blur(14px);
    transition: height .25s ease, background .25s ease, box-shadow .25s ease;
}
.site-nav.scrolled { height: 72px; background: rgba(7,17,31,.95); box-shadow: 0 8px 30px rgba(0,0,0,.18); }
.nav-inner { width: min(1320px, calc(100% - 52px)); height: 100%; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { width: min(475px, 42vw); flex: 0 1 auto; }
.brand img { width: 100%; height: auto; }
.nav-menu { display: flex; align-items: center; gap: 27px; }
.nav-menu > a:not(.nav-cta) { position: relative; color: rgba(255,255,255,.78); font-size: 15px; font-weight: 700; white-space: nowrap; }
.nav-menu > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--orange); transition: right .25s ease; }
.nav-menu > a:not(.nav-cta):hover { color: #fff; }
.nav-menu > a:not(.nav-cta):hover::after { right: 0; }
.nav-cta { padding: 12px 22px; border-radius: 999px; color: #111827; background: linear-gradient(135deg, var(--orange), var(--orange-light)); font-size: 15px; font-weight: 900; box-shadow: 0 8px 24px rgba(255,153,0,.25); transition: transform .2s ease, box-shadow .2s ease; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,153,0,.38); }
.nav-toggle { display: none; width: 44px; height: 42px; padding: 10px; border-radius: 10px; background: rgba(255,255,255,.08); cursor: pointer; }
.nav-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 3px; background: #fff; transition: transform .25s ease, opacity .25s ease; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero:before {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    right: 0;
    background: url(../images/Hero.png) no-repeat  800px 80px;
    background-size: 45%;
    z-index: 0;
    background-attachment: fixed;
}
.hero { position: relative; min-height: 760px; padding: 150px 0 96px; overflow: hidden; color: #fff; background: linear-gradient(130deg, #07111f 0%, #0b1d31 55%, #0c2942 100%); }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 100px; background: #fff; clip-path: polygon(0 82%, 100% 15%, 100% 100%, 0 100%); }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px); background-size: 55px 55px; mask-image: linear-gradient(to bottom, black, transparent 82%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero-glow-one { width: 520px; height: 520px; right: -170px; top: -130px; background: radial-gradient(circle, rgba(79,140,255,.28), transparent 68%); }
.hero-glow-two { width: 420px; height: 420px; left: 34%; bottom: -230px; background: radial-gradient(circle, rgba(141,98,255,.26), transparent 70%); }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 72px; }
.hero-copy { padding-bottom: 42px;}
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; color: var(--cyan); font-size: 28px; font-weight: 800; letter-spacing: .16em; }
.eyebrow span { width: 36px; height: 2px; background: var(--cyan); }
.hero h1 { margin: 0; line-height: 1.08; letter-spacing: -.04em; }
.hero h1 span { display: block; color: #f5f8fd; font-size: clamp(37px, 4.4vw, 66px); font-weight: 600; }
.hero h1 strong { display: block; margin-top: 8px; color: transparent; background: linear-gradient(90deg, #fff 0%, #ffcc73 54%, var(--orange) 100%); -webkit-background-clip: text; background-clip: text; font-size: clamp(56px, 6.2vw, 94px); font-weight: 950; }
.hero-lead { max-width: 640px; margin: 26px 0 30px; color: rgba(231,239,249,.78); font-size: clamp(18px, 1.55vw, 22px); line-height: 1.75; font-weight: 500; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 13px; }
.meta-item { min-width: 170px; display: flex; align-items: center; gap: 11px; padding: 12px 14px; border: 1px solid rgba(255,255,255,.13); border-radius: 14px; background: rgba(255,255,255,.055); }
.meta-icon { width: 34px; height: 34px; flex: 0 0 34px; display: grid; place-items: center; border-radius: 10px; color: var(--orange-light); background: rgba(255,153,0,.12); }
.meta-icon svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.meta-item small, .meta-item b { display: block; }
.meta-item small { margin-bottom: 3px; color: rgba(255,255,255,.48); font-size: 11px; letter-spacing: .08em; }
.meta-item b { color: #fff; font-size: 14px; white-space: nowrap; }
.hero-actions { display: flex; align-items: center; gap: 25px; margin-top: 31px; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 54px; padding: 14px 27px; border-radius: 999px; color: #121925; background: linear-gradient(135deg, var(--orange), #ffbc4e); font-weight: 900; font-size: 17px; box-shadow: 0 14px 34px rgba(255,153,0,.28); transition: transform .2s ease, box-shadow .2s ease, filter .2s ease; }
.btn-primary svg { width: 21px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn-primary:hover { transform: translateY(-3px); filter: brightness(1.05); box-shadow: 0 18px 42px rgba(255,153,0,.38); color: #121925; }
.btn-text { color: rgba(255,255,255,.75); font-size: 15px; font-weight: 800; border-bottom: 1px solid rgba(255,255,255,.3); padding-bottom: 5px; }
.btn-text:hover { color: #fff; border-color: var(--orange); }
.deadline { margin: 15px 0 0 11px; color: rgba(255,255,255,.5); font-size: 13px; }

.hero-visual { position: relative; min-height: 510px; display: grid; place-items: center;}
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(87,190,255,.23); border-radius: 50%; transform: translate(-50%,-50%); }
.orbit::before, .orbit::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px rgba(55,223,199,.8); }
.orbit-one { width: 470px; height: 470px; }
.orbit-one::before { left: 53px; top: 63px; }
.orbit-one::after { right: 34px; bottom: 104px; background: var(--orange); box-shadow: 0 0 18px rgba(255,153,0,.75); }
.orbit-two { width: 370px; height: 370px; border-style: dashed; }
.orbit-two::before { right: 30px; top: 90px; background: var(--purple); }
.orbit-two::after { left: 39px; bottom: 76px; background: var(--blue); }
.cloud-panel { position: relative; z-index: 3; width: min(420px, 86vw); padding: 20px; border: 1px solid rgba(255,255,255,.16); border-radius: 28px; background: linear-gradient(160deg, rgba(22,49,75,.94), rgba(9,27,46,.88)); box-shadow: 0 32px 85px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.12); backdrop-filter: blur(15px); }
.cloud-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 15px; border-bottom: 1px solid rgba(255,255,255,.09); }
.cloud-status { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.52); font-size: 10px; letter-spacing: .12em; }
.cloud-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.cloud-bars { display: flex; gap: 4px; }
.cloud-bars i { width: 4px; border-radius: 4px; background: rgba(255,255,255,.22); }
.cloud-bars i:nth-child(1) { height: 7px; margin-top: 7px; }
.cloud-bars i:nth-child(2) { height: 11px; margin-top: 3px; }
.cloud-bars i:nth-child(3) { height: 14px; }
.cloud-core { min-height: 222px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.cloud-icon { width: 116px; color: var(--orange); }
.cloud-icon path { fill: rgba(255,153,0,.09); stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.cloud-core span { margin-top: 2px; color: #fff; font-size: 42px; font-weight: 950; letter-spacing: -.04em; }
.cloud-core small { margin-top: 3px; color: rgba(255,255,255,.42); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; }
.service-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.service-grid div { padding: 10px 3px; text-align: center; border-radius: 11px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.06); }
.service-grid b, .service-grid small { display: block; }
.service-grid b { color: #fff; font-size: 13px; }
.service-grid small { margin-top: 2px; color: rgba(255,255,255,.38); font-size: 9px; }
.floating-chip { position: absolute; z-index: 4; display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 999px; color: #eef7ff; background: rgba(17,40,63,.91); border: 1px solid rgba(255,255,255,.12); box-shadow: 0 12px 28px rgba(0,0,0,.28); font-size: 12px; font-weight: 800; }
.floating-chip span { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; color: #06111f; background: var(--cyan); font-size: 9px; }
.chip-one { left: -3px; top: 86px; }
.chip-two { right: -8px; top: 164px; }
.chip-two span { background: var(--orange); }
.chip-three { left: 23px; bottom: 87px; }
.chip-three span { color: #fff; background: var(--purple); }
.scroll-hint { position: absolute; z-index: 4; left: 50%; bottom: 54px; width: 28px; height: 45px; border: 1px solid rgba(255,255,255,.25); border-radius: 20px; transform: translateX(-50%); }
.scroll-hint span { position: absolute; left: 50%; top: 9px; width: 4px; height: 8px; border-radius: 4px; background: var(--orange); transform: translateX(-50%); }

/* Shared headings */
.section-kicker { display: inline-flex; align-items: center; gap: 10px; color: #e37f00; font-size: 12px; font-weight: 900; letter-spacing: .16em; }
.section-kicker::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.section-kicker.light { color: var(--orange-light); }
.section-heading.centered { max-width: 720px; margin: 0 auto 45px; text-align: center; }
.section-heading.centered .section-kicker { justify-content: center; }
.section-heading.centered h2, .subheading h2, .speaker-content > h2 { margin: 12px 0 10px; color: var(--ink); font-size: clamp(34px, 4vw, 50px); line-height: 1.2; font-weight: 950; letter-spacing: -.035em; }
.section-heading.centered p, .subheading > p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.8; }

/* Intro */
.intro-section { padding: 115px 0 105px; background: #fff; }
.intro-layout { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: start; }
.intro-heading { width: 100%; }
.intro-heading h2 { margin: 14px 0 0; font-size: clamp(36px, 4.2vw, 55px); line-height: 1.28; letter-spacing: -.045em; font-weight: 950; text-align: center; }
.intro-heading h2 em { color: #e88300; font-style: normal; }
.heading-line { width: 92px; height: 5px; margin-top: 27px; border-radius: 8px; background: linear-gradient(90deg, var(--orange), var(--cyan)); margin-left: auto; margin-right: auto; }
.intro-copy { width: 100%; padding-top: 0; }
.intro-copy p { margin: 0 0 18px; color: #435166; font-size: 20px; font-weight: 500; line-height: 2; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 70px; }
.value-card { position: relative; min-height: 285px; padding: 34px 31px; overflow: hidden; border: 1px solid #e3e9f1; border-radius: 23px; background: #fff; box-shadow: 0 10px 35px rgba(17,41,72,.06); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.value-card:hover { transform: translateY(-7px); border-color: rgba(255,153,0,.35); box-shadow: var(--shadow); }
.value-card::after { content: ""; position: absolute; right: -38px; bottom: -42px; width: 125px; height: 125px; border-radius: 50%; background: radial-gradient(circle, rgba(255,153,0,.11), transparent 70%); }
.value-no { position: absolute; right: 23px; top: 18px; color: #edf1f6; font-size: 52px; font-weight: 950; }
.value-icon { width: 57px; height: 57px; display: grid; place-items: center; border-radius: 17px; color: #e68300; background: #fff4e3; }
.value-icon svg { width: 29px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.value-card h3 { margin: 23px 0 10px; font-size: 22px; font-weight: 900; }
.value-card p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.8; }
.free-callout { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; margin-top: 36px; padding: 26px 31px; border-radius: 21px; color: #fff; background: linear-gradient(110deg, #10263e, #123650); box-shadow: 0 18px 45px rgba(13,39,65,.17); }
.free-badge { width: 72px; height: 72px; display: grid; place-items: center; border-radius: 20px; color: #152236; background: linear-gradient(135deg, var(--orange), #ffd07e); font-size: 17px; font-weight: 950; transform: rotate(-3deg); }
.free-callout h3 { margin: 0 0 5px; font-size: 22px; font-weight: 900;line-height: 1.8; }
.free-callout p { margin: 0; color: rgba(255,255,255,.68); font-size: 15px; line-height: 1.7; }
.free-callout > a { padding: 11px 20px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; color: #fff; font-size: 14px; font-weight: 800; white-space: nowrap; }
.free-callout > a:hover { color: #101d2d; background: #fff; }

/* Event info / audience / agenda */
.details-section { position: relative; padding: 110px 0 125px; overflow: hidden; background: var(--surface-soft); }
.details-section::before { content: ""; position: absolute; width: 520px; height: 520px; left: -260px; top: 470px; border-radius: 50%; background: radial-gradient(circle, rgba(79,140,255,.09), transparent 70%); }
.event-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 17px; }
.event-card { position: relative; min-height: 232px; padding: 29px 24px; overflow: hidden; border: 1px solid #e0e7ef; border-radius: 21px; background: #fff; box-shadow: 0 10px 35px rgba(16,36,64,.055); }
.event-card::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transform: scaleX(.34); transform-origin: left; transition: transform .25s ease; }
.event-card:hover::after { transform: scaleX(1); }
.event-card.accent { color: #fff; border-color: transparent; background: linear-gradient(145deg, #172e49, #0d1c2f); }
.event-card.accent::after { background: var(--orange); }
.event-head { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.event-icon { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; margin-bottom: 0; border-radius: 15px; color: #3473dc; background: #edf4ff; }
.event-card.accent .event-icon { color: var(--orange); background: rgba(255,153,0,.13); }
.event-icon svg { width: 25px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.event-card small { display: block; color: #6f7d90; font-size: 16px; line-height: 1.35; font-weight: 900; letter-spacing: .04em; }
.event-card h3 { margin: 8px 0 4px; color: var(--ink); font-size: 21px; font-weight: 950; letter-spacing: -.02em; }
.event-card p { margin: 0; color: var(--muted); font-size: 21px; }
.event-card.accent h3 { color: #fff; }
.event-card.accent p { color: rgba(255,255,255,.58); }
.event-card.accent small { color: rgba(255,255,255,.82); }
.register-note { display: flex; align-items: flex-start; gap: 16px; margin-top: 20px; padding: 19px 23px; border: 1px solid #f1d7ab; border-radius: 15px; color: #5f4828; background: #fff9ed; }
.register-note svg { width: 24px; flex: 0 0 24px; margin-top: 3px; fill: none; stroke: #de8707; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.register-note p { margin: 0; font-size: 20px; line-height: 1.65; }
.register-note small { color: #95611a; }
.audience-block { position: relative; margin-top: 110px; }
.subheading { max-width: 720px; margin-bottom: 38px; }
.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.audience-card { display: flex; gap: 23px; align-items: flex-start; padding: 32px; border-radius: 21px; background: #fff; border: 1px solid #e0e7ef; box-shadow: 0 12px 32px rgba(15,36,61,.055); }
.audience-card > span { width: 50px; height: 50px; flex: 0 0 50px; display: grid; place-items: center; border-radius: 15px; color: #fff; background: linear-gradient(145deg, #4e86f5, #7359e7); font-weight: 950; }
.audience-card:nth-child(2) > span { color: #102033; background: linear-gradient(145deg, var(--orange), #ffd06f); }
.audience-card h3 { margin: 2px 0 9px; font-size: 21px; font-weight: 900; }
.audience-card p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
.agenda-block { position: relative; margin-top: 110px; scroll-margin-top: 90px; }
.agenda-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: item; }
.agenda-card { position: relative; min-height: 245px; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 27px; overflow: hidden; border-radius: 22px; color: #fff; text-align: center; background: linear-gradient(150deg, #122944, #0a1728); box-shadow: 0 16px 38px rgba(8,28,49,.16); transition: transform .25s ease; }
.agenda-card:hover { transform: translateY(-7px); }
.agenda-card::before { content: ""; position: absolute; width: 170px; height: 170px; right: -76px; top: -78px; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; box-shadow: 0 0 0 25px rgba(255,255,255,.025), 0 0 0 50px rgba(255,255,255,.018); }
.agenda-card > span { position: absolute; left: 25px; top: 22px; color: rgba(255,255,255,.34); font-size: 14px; font-weight: 900; }
.agenda-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 16px; color: var(--orange); background: rgba(255,153,0,.12); }
.agenda-icon svg { width: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.agenda-card h3 { position: relative; z-index: 2; margin: 0; font-size: 23px; line-height: 1.45; font-weight: 900; }
.agenda-card:nth-child(2) .agenda-icon { color: var(--cyan); background: rgba(55,223,199,.12); }
.agenda-card:nth-child(3) .agenda-icon { color: #77a7ff; background: rgba(79,140,255,.14); }
.agenda-card:nth-child(4) .agenda-icon { color: #b597ff; background: rgba(141,98,255,.15); }
/* Speaker */
.speaker-section { position: relative; padding: 120px 0; overflow: hidden; background: #fff; }
.speaker-section::before { content: ""; position: absolute; right: -180px; bottom: -250px; width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(255,153,0,.11), transparent 70%); }
.speaker-layout { position: relative; display: grid; grid-template-columns: .72fr 1.28fr; gap: 88px; align-items: center; }
.speaker-photo-wrap { position: relative; width: 100%; max-width: 390px; margin: 0 auto; }
.speaker-photo-wrap::before { content: ""; position: absolute; left: -22px; top: 40px; width: 62px; height: 62px; border-radius: 18px; background: var(--orange); transform: rotate(16deg); }
.speaker-photo-bg { position: absolute; inset: 19px -18px -19px 18px; border-radius: 31px; background: linear-gradient(145deg, #dfeafb, #f0f5fc); }
.speaker-photo-wrap img { position: relative; z-index: 2; width: 100%; aspect-ratio: 1 / 1.13; object-fit: cover; object-position: center 20%; border-radius: 30px; box-shadow: var(--shadow); }
.speaker-tag { position: absolute; z-index: 3; right: -29px; bottom: 28px; max-width: 220px; padding: 13px 18px; border-radius: 12px; color: #142237; background: #fff; box-shadow: 0 13px 35px rgba(18,39,66,.18); font-size: 13px; font-weight: 900; }
.speaker-content { position: relative; }
.speaker-name { display: flex; align-items: baseline; gap: 15px; margin: 20px 0 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.speaker-name h3 { margin: 0; color: #10243b; font-size: 34px; font-weight: 950; }
.speaker-name span { color: #e37f00; font-size: 17px; font-weight: 800; letter-spacing: .04em; }
.speaker-content p { margin: 0 0 15px; color: #526075; font-size: 20px; line-height: 1.95; }
.cert-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.cert-list span { padding: 8px 12px; border-radius: 8px; color: #234062; background: #edf3fa; font-size: 12px; font-weight: 900; letter-spacing: .03em; }

/* Speaker registration button */
.speaker-register { position: relative; z-index: 2; display: flex; justify-content: center; align-items: center; width: 100%; text-align: center; margin: 64px auto 0; }
.speaker-register .btn-large { margin: 0 auto; }
.btn-large { min-width: 600px; min-height: 60px; flex: 0 0 auto; }
.fragment-error { padding: 40px 24px; color: #8a4d00; text-align: center; background: #fff5e5; }

/* Responsive */
@media (max-width: 1199px) {

    .nav-menu { gap: 18px; }
    .nav-menu > a:not(.nav-cta) { font-size: 14px; }
    .hero-inner { gap: 42px; }
    .hero-visual { transform: scale(.93); transform-origin: center; }
    .floating-chip.chip-one { left: 2px; }
    .floating-chip.chip-two { right: 3px; }
    .intro-layout { gap: 55px; }
    .speaker-layout { gap: 64px; }
}

@media (max-width: 991px) {
    .content { width: min(100% - 36px, 760px); }
    .site-nav, .site-nav.scrolled { height: 70px; }
    .nav-inner { width: calc(100% - 28px); }
    .brand { width: min(430px, calc(100% - 72px)); }
    .nav-toggle { display: block; flex: 0 0 auto; }
    .nav-menu { position: absolute; left: 14px; right: 14px; top: 68px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(7,17,31,.98); box-shadow: 0 20px 50px rgba(0,0,0,.35); }
    .nav-menu.is-open { display: flex; }
    .nav-menu > a:not(.nav-cta) { padding: 13px 14px; }
    .nav-menu > a:not(.nav-cta)::after { display: none; }
    .nav-cta { margin-top: 8px; text-align: center; }
    .hero { min-height: auto; padding: 125px 0 125px; }
    .hero-inner { grid-template-columns: 1fr; gap: 25px; }
    .hero-copy { padding-bottom: 0; text-align: center; }
    .eyebrow, .hero-meta, .hero-actions { justify-content: center; }
    .hero-lead { margin-left: auto; margin-right: auto; }
    .hero-visual { min-height: 500px; transform: none; }
    .deadline { margin-left: 0; }
    .scroll-hint { display: none; }
    .intro-layout { grid-template-columns: 1fr; gap: 22px; }
    .intro-heading { max-width: 660px; }
    .intro-copy { padding-top: 0; }
    .value-grid { grid-template-columns: 1fr; }
    .value-card { min-height: 0; }
    .event-grid { grid-template-columns: repeat(2, 1fr); }
    .agenda-grid { grid-template-columns: repeat(2, 1fr); }
    .speaker-layout { grid-template-columns: 1fr; gap: 62px; }
    .speaker-content { max-width: 760px; }
}

@media (max-width: 767px) {
    .content { width: calc(100% - 28px); }
    .brand { width: min(340px, calc(100% - 68px)); }
    .hero { padding-top: 112px; }
    .hero h1 span { font-size: clamp(34px, 10.5vw, 50px); }
    .hero h1 strong { font-size: clamp(52px, 16vw, 76px); }
    .hero-lead { font-size: 17px; }
    .meta-item { flex: 1 1 45%; min-width: 0; }
    .hero-actions { flex-direction: column; gap: 15px; }
    .hero-visual { min-height: 440px; transform: scale(.88); margin: -10px -24px -30px; }
    .intro-section, .details-section, .speaker-section { padding: 82px 0; }
    .value-grid { margin-top: 45px; }
    .free-callout { grid-template-columns: auto 1fr; }
    .free-callout > a { grid-column: 1 / -1; text-align: center; }
    .audience-block, .agenda-block { margin-top: 82px; }
    .audience-grid { grid-template-columns: 1fr; }
    .speaker-register .btn-large { width: 100%; max-width: 420px; }
}

@media (max-width: 575px) {
    .site-nav, .site-nav.scrolled { height: 64px; }
    .nav-menu { top: 62px; }
    .hero { padding: 100px 0 102px; }
    .eyebrow { margin-bottom: 17px; font-size: 20px; letter-spacing: .12em; }
    .hero-lead { margin-top: 20px; line-height: 1.65; }
    .hero-meta { gap: 8px; }
    .meta-item { flex-basis: 100%; padding: 10px 12px; }
    .meta-item b { font-size: 13px; }
    .hero-visual { min-height: 350px; margin-top: 10px; transform: scale(.69); transform-origin: top center; margin-bottom: -100px; }
    .orbit-one { width: 440px; height: 440px; }
    .cloud-panel { width: 390px; }
    .section-heading.centered { margin-bottom: 32px; }
    .section-heading.centered h2, .subheading h2, .speaker-content > h2 { font-size: 34px; }
    .intro-heading h2 { font-size: 38px; }
    .intro-copy p { font-size: 16px; line-height: 1.85; }
    .value-card { padding: 29px 25px; }
    .free-callout { display: flex; flex-direction: column; align-items: flex-start; padding: 26px; }
    .free-callout > a { width: 100%; }
    .event-grid { grid-template-columns: 1fr; }
    .event-card { min-height: 0; }
    .register-note { padding: 17px; }
    .audience-card { padding: 25px 22px; }
    .agenda-grid { grid-template-columns: 1fr; }
    .agenda-card { min-height: 205px; }
    .speaker-photo-wrap { max-width: 300px; }
    .speaker-tag { right: -7px; font-size: 11px; }
    .speaker-name { display: block; }
    .speaker-name span { display: block; margin-top: 4px; }
    .speaker-content p { font-size: 15.5px; line-height: 1.85; }
}