:root {
    --blue: #1232b8;
    --azure: #1597e5;
    --ink: #11162b;
    --muted: #667085;
    --line: #e5e9f2;
    --soft: #f5f7fb;
    --white: #fff;
    --radius: 22px;
    --shadow: 0 24px 70px rgba(20,50,150,.15)
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: Manrope,Arial,sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.65
}

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

img {
    display: block;
    max-width: 100%
}

.container {
    width: min(1180px,calc(100% - 40px));
    margin: auto
}

.site-header {
    height: 82px;
    position: fixed;
    inset: 0 0 auto;
    z-index: 20;
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(18,50,184,.08)
}

.nav-wrap {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg,var(--blue),var(--azure));
    color: #fff;
    font: 700 23px/1 Space Grotesk;
    border-radius: 11px;
    transform: rotate(45deg)
}

    .brand-mark::first-letter {
        transform: rotate(-45deg)
    }

.brand span:last-child {
    display: flex;
    flex-direction: column;
    line-height: 1.15
}

.brand strong {
    font: 700 19px Space Grotesk
}

.brand small {
    color: var(--muted);
    font-size: 11px;
    margin-top: 3px
}

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14px;
    font-weight: 600
}

    .nav > a:not(.btn) {
        position: relative
    }

        .nav > a:not(.btn):after {
            content: "";
            position: absolute;
            left: 0;
            right: 100%;
            bottom: -6px;
            height: 2px;
            background: var(--azure);
            transition: .25s
        }

    .nav > a:hover:after {
        right: 0
    }

.menu-btn {
    display: none;
    background: none;
    border: 0;
    padding: 8px
}

    .menu-btn span {
        display: block;
        width: 25px;
        height: 2px;
        background: var(--ink);
        margin: 5px
    }

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 52px;
    padding: 0 25px;
    border-radius: 12px;
    background: linear-gradient(135deg,var(--blue),#155cd7);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(18,50,184,.22);
    transition: transform .2s,box-shadow .2s
}

    .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 16px 34px rgba(18,50,184,.28)
    }

.btn-small {
    min-height: 42px;
    padding: 0 18px
}

.btn-outline {
    background: transparent;
    color: var(--blue);
    box-shadow: none;
    border: 1px solid #cdd5ef
}

.hero {
    min-height: 820px;
    padding: 160px 0 95px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg,#fff 25%,#f4f7ff 100%)
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(18,50,184,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(18,50,184,.035) 1px,transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to right,black,transparent 75%)
}

.hero:before {
    content: "";
    position: absolute;
    width: 620px;
    height: 620px;
    border: 100px solid rgba(21,151,229,.06);
    transform: rotate(45deg);
    right: -290px;
    top: 70px
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 80px;
    align-items: center
}

.eyebrow, .kicker {
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 10px
}

    .eyebrow span {
        width: 28px;
        height: 3px;
        background: var(--azure)
    }

h1, h2, h3 {
    font-family: Space Grotesk,Manrope,sans-serif;
    line-height: 1.12;
    margin: 0
}

h1 {
    font-size: clamp(50px,5.6vw,78px);
    letter-spacing: -.055em;
    margin: 22px 0 28px
}

    h1 em, h2 em {
        font-style: normal;
        color: var(--blue)
    }

.lead {
    font-size: 19px;
    color: #4d5871;
    max-width: 680px
}

.hero-actions {
    display: flex;
    gap: 26px;
    align-items: center;
    margin: 38px 0
}

.text-link {
    font-weight: 700
}

    .text-link span {
        color: var(--azure);
        font-size: 20px
    }

.hero-meta {
    display: flex;
    gap: 42px;
    padding-top: 30px;
    border-top: 1px solid var(--line)
}

    .hero-meta div {
        display: flex;
        flex-direction: column
    }

    .hero-meta strong {
        font: 700 25px Space Grotesk;
        color: var(--blue)
    }

    .hero-meta span {
        font-size: 13px;
        color: var(--muted)
    }

.hero-visual {
    position: relative;
    padding: 50px
}

.photo-frame {
    position: relative;
    transform: rotate(45deg);
    border: 16px solid #fff;
    box-shadow: var(--shadow);
    overflow: hidden;
    border-radius: 22px;
    aspect-ratio: 1
}

    .photo-frame:before {
        content: "";
        position: absolute;
        inset: 0;
        border: 8px solid var(--blue);
        z-index: 2
    }

    .photo-frame img {
        width: 145%;
        max-width: none;
        height: 145%;
        object-fit: cover;
        transform: rotate(-45deg) translate(-15%,-15%)
    }

.photo-label {
    position: absolute;
    right: -40px;
    bottom: 65px;
    z-index: 3;
    background: var(--blue);
    color: #fff;
    padding: 10px 58px;
    transform: rotate(-45deg);
    font-weight: 700
}

.floating-card {
    position: absolute;
    left: 0;
    bottom: 35px;
    display: flex;
    gap: 12px;
    align-items: center;
    background: #fff;
    padding: 14px 20px;
    border-radius: 15px;
    box-shadow: var(--shadow)
}

    .floating-card div {
        display: flex;
        flex-direction: column
    }

    .floating-card small {
        color: var(--muted)
    }

.pulse-dot {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--azure);
    box-shadow: 0 0 0 7px rgba(21,151,229,.12)
}

.section {
    padding: 110px 0
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 90px
}

.section-heading h2 {
    font-size: clamp(36px,4vw,56px);
    letter-spacing: -.04em;
    margin-top: 18px
}

.body-copy {
    color: #4f596d;
    font-size: 17px
}

    .body-copy p:first-child {
        font-size: 21px;
        color: var(--ink)
    }

.organizers {
    margin-top: 35px;
    padding: 25px;
    border-left: 4px solid var(--azure);
    background: var(--soft);
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14px
}

    .organizers span {
        color: var(--blue);
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: .12em;
        font-weight: 800
    }

.topics {
    background: var(--ink);
    color: #fff
}

.centered {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 55px
}

    .centered p {
        color: #7a8496
    }

.topics .kicker {
    color: #66c4ff
}

.topics h2 em {
    color: #66c4ff
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 16px
}

.topic-card {
    min-height: 270px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius);
    background: rgba(255,255,255,.035);
    transition: .3s
}

    .topic-card:hover {
        transform: translateY(-7px);
        background: rgba(255,255,255,.07);
        border-color: rgba(102,196,255,.5)
    }

    .topic-card > span {
        color: #66c4ff;
        font: 700 13px Space Grotesk
    }

    .topic-card h3 {
        font-size: 22px;
        margin: 65px 0 15px
    }

    .topic-card p {
        color: #aab2c5;
        font-size: 14px
    }

.schedule {
    background: var(--soft)
}

.schedule-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
    margin-bottom: 50px
}

    .schedule-head h2 {
        font-size: clamp(38px,4.5vw,58px);
        margin-top: 15px
    }

.day-tabs {
    display: flex;
    background: #fff;
    padding: 6px;
    border-radius: 14px;
    box-shadow: 0 8px 28px rgba(16,31,85,.08)
}

.day-tab {
    border: 0;
    background: transparent;
    padding: 12px 17px;
    border-radius: 10px;
    font: 700 13px Manrope;
    color: #667085;
    cursor: pointer
}

    .day-tab small {
        display: block;
        font-weight: 500
    }

    .day-tab.active {
        background: var(--blue);
        color: #fff
    }

.program-panel {
    display: none;
    background: #fff;
    border-radius: var(--radius);
    padding: 18px 40px
}

    .program-panel.active {
        display: block
    }

.session {
    display: grid;
    grid-template-columns: 115px 1fr;
    gap: 25px;
    padding: 25px 0;
    border-bottom: 1px solid var(--line)
}

    .session:last-child {
        border: 0
    }

    .session time {
        font: 700 22px Space Grotesk;
        color: var(--blue)
    }

    .session span {
        font-size: 11px;
        color: var(--azure);
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: .11em
    }

    .session h3 {
        font-size: 19px;
        margin: 5px 0
    }

    .session p {
        margin: 0;
        color: var(--muted);
        font-size: 14px
    }

    .session.break {
        opacity: .72
    }

    .session.special {
        background: #f2f5ff;
        margin: 0 -20px;
        padding-left: 20px;
        padding-right: 20px;
        border-radius: 12px
    }

.price-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 22px;
    align-items: center
}

.price-card {
    padding: 36px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff
}

    .price-card.featured {
        padding-top: 52px;
        padding-bottom: 52px;
        background: linear-gradient(145deg,#f0f5ff,#fff);
        border: 2px solid var(--blue);
        box-shadow: var(--shadow)
    }

.tag {
    font-size: 13px;
    font-weight: 700;
    color: var(--blue)
}

.price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 24px 0
}

    .price strong {
        font: 700 60px Space Grotesk;
        letter-spacing: -.06em
    }

    .price sup {
        font-size: 24px
    }

    .price span {
        font-size: 13px;
        line-height: 1.2
    }

    .price small {
        color: var(--muted)
    }

.price-card p {
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid var(--line);
    padding-top: 18px
}

.price-card .btn {
    width: 100%;
    margin-top: 15px
}

.deadline {
    text-align: center;
    color: var(--muted);
    margin-top: 35px
}

.stay {
    background: linear-gradient(135deg,#f6f8fc,#eef4ff)
}

.stay-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 85px;
    align-items: center
}

.stay .section-heading p {
    color: var(--muted);
    max-width: 500px
}

.location-card {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 35px
}

.pin {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--blue);
    color: #fff;
    font-size: 24px
}

.location-card div:last-child {
    display: flex;
    flex-direction: column
}

.location-card span {
    color: var(--muted);
    font-size: 13px
}

.hotel-list {
    background: #fff;
    border-radius: var(--radius);
    padding: 18px 36px;
    box-shadow: var(--shadow)
}

    .hotel-list article {
        display: flex;
        justify-content: space-between;
        gap: 20px;
        align-items: center;
        padding: 28px 0;
        border-bottom: 1px solid var(--line)
    }

        .hotel-list article span {
            color: var(--azure);
            font-size: 11px;
            text-transform: uppercase;
            font-weight: 800;
            letter-spacing: .11em
        }

    .hotel-list h3 {
        margin: 6px 0
    }

    .hotel-list p, .hotel-list > small {
        color: var(--muted);
        font-size: 13px
    }

    .hotel-list article > strong {
        font: 700 24px Space Grotesk;
        white-space: nowrap
    }

.cta {
    padding: 80px 0;
    background: linear-gradient(120deg,var(--blue),#087dd1);
    color: #fff;
    position: relative;
    overflow: hidden
}

    .cta:after {
        content: "";
        position: absolute;
        width: 300px;
        height: 300px;
        border: 70px solid rgba(255,255,255,.08);
        right: -70px;
        top: -80px;
        transform: rotate(45deg)
    }

.cta-inner {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px
}

.cta .kicker {
    color: #a5e0ff
}

.cta h2 {
    font-size: clamp(34px,4vw,52px);
    max-width: 760px;
    margin-top: 12px
}

.btn-light {
    background: #fff;
    color: var(--blue);
    box-shadow: none;
    white-space: nowrap
}

footer {
    background: #0b1022;
    color: #fff;
    padding: 65px 0 25px
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px
}

.inverse .brand-mark {
    background: #fff;
    color: var(--blue)
}

.inverse small {
    color: #8e98ad
}

.footer-grid > div:not(.brand) {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 14px
}

    .footer-grid > div:not(.brand) span, .footer-grid > div:not(.brand) a {
        color: #a7afc0
    }

.copyright {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.1);
    color: #737d92;
    font-size: 12px
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .65s,transform .65s
}

    .reveal.visible {
        opacity: 1;
        transform: none
    }

@media(max-width:900px) {
    .nav {
        position: absolute;
        top: 82px;
        left: 0;
        right: 0;
        padding: 24px 30px;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        display: none;
        box-shadow: 0 15px 30px rgba(0,0,0,.08)
    }

        .nav.open {
            display: flex
        }

    .menu-btn {
        display: block
    }

    .hero {
        padding-top: 130px
    }

    .hero-grid, .two-col, .stay-grid {
        grid-template-columns: 1fr
    }

    .hero-grid {
        gap: 40px
    }

    .hero-visual {
        max-width: 580px;
        margin: auto
    }

    .topic-grid {
        grid-template-columns: 1fr 1fr
    }

    .schedule-head {
        align-items: flex-start;
        flex-direction: column
    }

    .price-grid {
        grid-template-columns: 1fr
    }

    .price-card.featured {
        padding: 36px
    }

    .cta-inner {
        align-items: flex-start;
        flex-direction: column
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr
    }

        .footer-grid .brand {
            grid-column: 1/-1
        }
}

@media(max-width:600px) {
    .container {
        width: min(100% - 28px,1180px)
    }

    .section {
        padding: 78px 0
    }

    .hero {
        min-height: auto;
        padding-bottom: 70px
    }

    h1 {
        font-size: 45px
    }

    .lead {
        font-size: 17px
    }

    .hero-actions {
        align-items: flex-start;
        flex-direction: column
    }

    .hero-meta {
        gap: 20px;
        justify-content: space-between
    }

    .hero-visual {
        padding: 32px
    }

    .floating-card {
        left: 4px;
        bottom: 5px
    }

    .photo-label {
        display: none
    }

    .topic-grid {
        grid-template-columns: 1fr
    }

    .topic-card {
        min-height: 220px
    }

    .day-tabs {
        width: 100%;
        overflow: auto
    }

    .day-tab {
        min-width: 110px
    }

    .program-panel {
        padding: 10px 20px
    }

    .session {
        grid-template-columns: 75px 1fr;
        gap: 10px
    }

        .session time {
            font-size: 17px
        }

        .session h3 {
            font-size: 16px
        }

    .footer-grid {
        grid-template-columns: 1fr
    }

        .footer-grid .brand {
            grid-column: auto
        }

    .hotel-list {
        padding: 15px 22px
    }

        .hotel-list article {
            align-items: flex-start;
            flex-direction: column
        }

    .price strong {
        font-size: 52px
    }
}
.btn-register {
    background: #0d6efd;
    color: white;
    padding: 16px 36px;
    border-radius: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    transition: .2s;
}

    .btn-register:hover {
        background: #0b5ed7;
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(13,110,253,.35);
    }