:root {
    --blue: #0b86c4;
    --blue-dark: #066a9b;
    --navy: #12263f;
    --sky: #7fa6f5;
    --gold: #e8a838;
    --bg: #f6f9fc;
    --ink: #1d2b3a;
    --muted: #55657a;
    --line: #cfdbe6;
    --red: #f00;
    --cyan: #00d2ff;
    --green: #7dc41f;
    --radius: 14px;
    --shadow: 0 2px 10px rgba(18, 38, 63, .08);
    --shadow-lg: 0 12px 28px rgba(18, 38, 63, .18);
    box-sizing: border-box;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px)
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px
}

*,
*::before,
*::after {
    box-sizing: border-box
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.7 "Segoe UI", system-ui, Arial, sans-serif
}

img {
    max-width: 100%;
    height: auto
}

a {
    color: inherit;
    text-decoration: none
}

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

.wrap {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px
}

/* ---------- top bar + nav ---------- */
.top {
    background: #fff;
    font-size: 14px;
    color: var(--muted);
    border-bottom: 1px solid var(--line)
}

.top .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px 16px;
    flex-wrap: wrap;
    padding-top: 9px;
    padding-bottom: 9px
}

.top span {
    margin-right: 22px;
    display: inline-block
}

.top a {
    color: var(--blue);
    font-weight: 600
}

header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: #fff;
    border-top: 1px solid var(--blue);
    border-bottom: 1px solid var(--blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, .06)
}

header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 74px;
    gap: 18px
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 22px;
    color: var(--navy);
    line-height: 1.15;
    flex-shrink: 0;
}

.logo img {
    width: 200px;
    object-fit: contain;
    display: block;
}

.logo small {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--muted);
    line-height: 1.2
}

nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 6px 20px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--navy)
}

nav a {
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap
}

nav a:hover {
    color: var(--blue);
    border-bottom-color: var(--blue)
}

.reg-btn {
    background: var(--navy);
    border: 2px solid var(--navy);
    border-radius: 6px;
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
    white-space: nowrap;
    transition: .2s
}

.reg-btn:hover {
    background: #fff;
    color: var(--navy)
}

@media(max-width:1100px) {
    nav {
        gap: 4px 14px;
        font-size: 12px
    }
}

@media(max-width:900px) {
    nav {
        display: none
    }
}

/* ---------- hero ---------- */
.hero {
    background:
        linear-gradient(rgba(25, 70, 100, .78), rgba(25, 70, 100, .78)),
        url("./image/banner-image.jpeg") center/cover no-repeat,
        repeating-linear-gradient(45deg, #3b6f8f 0 14px, #3a6a8a 14px 28px);
    color: #fff;
    text-align: center;
    padding: 50px 20px 44px
}

.count {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap
}

.count>div {
    min-width: 92px;
    padding: 12px 8px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(232, 168, 56, .5);
    border-radius: 10px
}

.count b {
    display: block;
    font-size: 48px;
    line-height: 1.1;
    color: var(--gold);
    font-weight: 600
}

.count span {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--gold)
}

.hero small {
    display: block;
    margin-top: 28px;
    font-size: 17px;
    letter-spacing: .05em
}

.hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 600;
    margin: 6px auto 20px;
    max-width: 18ch;
    line-height: 1.15
}

.hero .meta {
    font-size: 16px;
    color: var(--gold);
    display: flex;
    justify-content: center;
    gap: 8px 32px;
    flex-wrap: wrap
}

.strip {
    background: var(--sky);
    display: flex;
    justify-content: center;
    gap: 8px 48px;
    flex-wrap: wrap;
    padding: 10px 20px;
    font-size: 14.5px;
    font-weight: 700;
    color: var(--navy);
    text-align: center
}

/* ---------- sections ---------- */
section {
    padding: 52px 0
}

.pill {
    display: block;
    max-width: 420px;
    margin: 0 auto 32px;
    border: 2px solid var(--blue);
    border-radius: 999px;
    padding: 7px 44px;
    font-weight: 700;
    font-size: 18px;
    color: var(--blue);
    background: #fff;
    text-align: center
}

.pill.left {
    margin-left: 0;
    margin-bottom: 22px
}

.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center
}

@media(max-width:760px) {
    .two {
        grid-template-columns: 1fr;
        gap: 26px
    }
}

.two h3 {
    font-size: 20px;
    line-height: 1.4;
    color: var(--navy);
    margin: 0 0 16px
}

.two p {
    font-size: 16px;
    text-align: justify;
    color: var(--muted);
    margin: 0 0 14px
}

.two img {
    display: block;
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow)
}

.art {
    border-radius: var(--radius);
    min-height: 300px;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 15px;
    text-align: center;
    padding: 20px
}

.art.a {
    background: radial-gradient(circle at 60% 45%, #ffb347 0 7%, transparent 8%), linear-gradient(135deg, #1c3a57, #3f78a3 60%, #cfe7f5)
}

.art.b {
    background: radial-gradient(circle at 50% 50%, #ff8a5c 0 14%, #d6334d 15% 30%, transparent 31%), linear-gradient(135deg, #0b1f4a, #7a1535)
}

.quick {
    background: #e8eef4
}

.quick a {
    display: block;
    background: var(--blue);
    color: #fff;
    text-align: center;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .02em;
    padding: 14px 16px;
    margin-bottom: 12px;
    max-width: 420px;
    border-radius: 8px;
    transition: .2s
}

.quick a:hover {
    background: var(--blue-dark);
    transform: translateX(4px)
}

.topics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 20px
}

@media(max-width:700px) {
    .topics {
        grid-template-columns: 1fr
    }
}

.topics div {
    background: var(--blue);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.45;
    padding: 12px 14px 12px 42px;
    position: relative;
    border-radius: 8px
}

.topics a {
    color: #fff;
    
}



.topics .kw {
    display: inline-block;
    margin-left: 8px;
    padding: 1px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    background: rgba(255, 255, 255, .2);
    border-radius: 99px;
    vertical-align: middle
}

.topics div::before {
    content: "✓";
    position: absolute;
    left: 16px;
    top: 12px;
    font-size: 14px
}

/* ---------- bands ---------- */
.band {
    border-top: 2px solid var(--blue);
    border-bottom: 2px solid var(--blue);
    text-align: center;
    font-weight: 700;
    color: var(--blue);
    padding: 10px;
    background: #fff;
    font-size: 20px;
    letter-spacing: .02em
}

#ocm+.wrap {
    padding: 36px 24px 44px !important
}

/* ---------- people cards (speakers / keynote / OCM) ---------- */
.people {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 260px));
    justify-content: center;
    gap: 26px;
    margin: 0 auto
}

.person {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: #fff;
    border: 1px solid #e3ebf2;
    border-radius: var(--radius);
    padding: 34px 20px 26px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform .25s, box-shadow .25s
}

.person::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 84px;
    background: linear-gradient(135deg, var(--navy), var(--blue))
}

.person:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg)
}

.av {
    position: relative;
    width: 132px;
    height: 132px;
    margin: 0 auto 16px;
    display: grid;
    place-items: center;
    font-size: 40px;
    font-weight: 600;
    color: #fff;
    border: 5px solid #fff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .2);
    overflow: hidden;
    background-size: cover;
    background-position: center
}

.av img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block
}

.person b {
    display: block;
    font-size: 18px;
    line-height: 1.3;
    color: var(--navy);
    margin-bottom: 6px
}

.person span {
    display: block;
    font-size: 14.5px;
    line-height: 1.5;
    color: var(--muted)
}

.person b {
    display: block;
    font-size: 18px;
    line-height: 1.3;
    color: var(--navy);
    margin-bottom: 8px
}

.person b::after {
    content: "";
    display: block;
    width: 44px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
    margin: 10px auto 0
}

.person span {
    display: block;
    font-size: 15px;
    line-height: 1.5;
    color: var(--muted)
}

.people-body {
    padding: 36px 24px 44px
}

.keynote {
    display: flex;
    justify-content: center
}

.keynote .person {
    width: 280px
}

.keynote .av {
    width: 150px;
    height: 150px
}

/* ---------- poster ---------- */
.poster {
    padding: 56px 24px;
    text-align: center;
    color: var(--muted);
    font-size: 17px;
    max-width: 900px;
    margin: 0 auto
}

/* ---------- pricing ---------- */
.plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 960px;
    margin: 0 auto
}

.plan {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.22);
    text-align: center;
    display: flex;
    flex-direction: column;
    transition: transform .25s, box-shadow .25s;
}

.plan:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg)
}

.plan .hd {
    color: #fff;
    padding: 24px 12px 52px;
    clip-path: polygon(0 0, 100% 0, 100% 78%, 50% 100%, 0 78%);
    margin-bottom: -10px
}

.plan .hd b {
    display: block;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3
}

.plan .hd span {
    font-size: 19px
}

.plan ul {
    list-style: none;
    padding: 0 14px;
    margin: 26px 0;
    font-size: 15px;
    font-weight: 600;
    line-height: 2.2;
    flex: 1
}

.plan a {
    display: inline-block;
    align-self: center;
    margin: 0 0 24px;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    padding: 10px 28px;
    border-radius: 6px
}

.plan a:hover {
    filter: brightness(.9)
}

.plan.s .hd,
.plan.s a {
    background: var(--red)
}

.plan.l .hd,
.plan.l a {
    background: var(--cyan)
}

.plan.t .hd,
.plan.t a {
    background: var(--green)
}

/* ---------- footer ---------- */
footer {
    background: #eef3f8;
    border-top: 2px solid var(--blue);
    padding: 44px 0;
    font-size: 15px;
    color: var(--muted);
    margin-top: 40px
}

footer .wrap {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1.1fr 1.3fr;
    gap: 32px;
    align-items: start
}

.copyright {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: var(--blue);
    color: #fff;
    margin: 0;
    padding: 10px 0;
    font-size: 14px;
}

@media(max-width:900px) {
    footer .wrap {
        grid-template-columns: 1fr 1fr
    }
}

@media(max-width:560px) {
    footer .wrap {
        grid-template-columns: 1fr
    }

    .top .wrap{
        text-align: center;
    }

}

footer h4 {
    margin: 0 0 12px;
    color: var(--navy);
    font-size: 18px
}

footer a {
    display: block;
    margin-bottom: 7px;
    line-height: 1.5
}

footer a:hover {
    color: var(--blue)
}



footer #venue iframe,
footer #venue .map{
    flex:1;
    width:100%;
    height:100%;
    min-height:200px;
    border:0;
    border-radius:8px;
    display:block;
}

@media(max-width:700px){
    footer #venue,
    footer #venue iframe,
    footer #venue .map{min-height:240px}
}

.form {
    margin: 0 auto;
    max-width: 560px;
    display: grid;
    gap: 12px
}