:root {
    --blue-950: #06142f;
    --blue-900: #071b42;
    --blue-800: #082765;
    --blue-700: #063e96;
    --blue-500: #1688ff;
    --cyan: #39c5ff;
    --light: #f5f9ff;
    --text: #10234a;
    --muted: #5d6f91;
    --border: #dce7f5;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: #fff;
    font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}

.result {
    margin-top: 100px;
    min-height: 100vh;
}

.certificate-payment {
    position: relative;
    background: linear-gradient(135deg, #fff7e6, #ffffff);
    border: 2px solid #f4c766;
    box-shadow: 0 18px 45px rgba(180, 118, 0, .16);
}

    .certificate-payment h3 {
        color: #8a5a00;
    }

    .certificate-payment p {
        font-size: 2rem;
        font-weight: 700;
    }

    .certificate-payment p strong {
        display: inline-block;
        color: #b36b00;
        font-size: 1.15rem;
        font-weight: 950;
    }

.btn-pay {
    grid-column: 2;
    width: fit-content;
    margin-top: .75rem;
    padding: .65rem 1.1rem;
    color: #fff;
    background: linear-gradient(135deg, #f0a500, #c67600);
    border: 0;
    border-radius: .35rem;
    font-size: .78rem;
    font-weight: 900;
    text-transform: uppercase;
    box-shadow: 0 12px 28px rgba(198, 118, 0, .28);
}

    .btn-pay:hover {
        color: #fff;
        transform: translateY(-2px);
    }

.topbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    min-height: 70px;
    background: rgba(2, 14, 38, .92);
    border-bottom: 1px solid rgba(255,255,255,.17);
    backdrop-filter: blur(14px);
    transition: .25s ease;
}

.topbar.scrolled {
    background: rgba(2, 14, 38, .98);
    box-shadow: 0 18px 45px rgba(0,0,0,.22);
}

.navbar {
    min-height: 70px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.brand strong {
    display: block;
    font-size: 1.02rem;
    line-height: 1;
}

.brand small {
    display: block;
    color: rgba(255,255,255,.72);
    font-size: .67rem;
    letter-spacing: .36em;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
}

.brand-mark img {
    width: 44px;
    height: 44px;
}

.brand-mark circle,
.brand-mark path {
    fill: none;
    stroke: #16a8ff;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.navbar-nav .nav-link {
    color: rgba(255,255,255,.88);
    font-size: .78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.navbar-nav .nav-link:hover {
    color: #fff;
}

.btn-register {
    min-width: 210px;
    padding: .72rem 1.1rem;
    color: #fff;
    background: linear-gradient(135deg, #2697ff, #0869dc);
    border: 0;
    border-radius: .35rem;
    font-size: .82rem;
    font-weight: 800;
    text-transform: uppercase;
}

.hero {
    margin-top: 70px;
    padding: 50px 0;
    min-height: 520px;
    overflow: hidden;
    background: linear-gradient(90deg, rgba(2,14,38,.98) 0%, rgba(2,14,38,.91) 33%, rgba(2,14,38,.50) 62%, rgba(2,14,38,.18) 100%), url("/neuro26/img/main-bg-tower.jpg") center right / cover no-repeat;
    color: #fff;
}

.min-vh-hero {
    min-height: 520px;
    padding-top: 92px;
}

.hero-kicker {
    margin-bottom: .6rem;
    color: #58baff;
    font-size: 1.45rem;
    font-weight: 800;
    text-transform: uppercase;
}

.hero-title {
    max-width: 790px;
    margin: 0;
    font-size: clamp(2.5rem, 5.5vw, 5.8rem);
    line-height: .95;
    font-weight: 950;
    text-transform: uppercase;
    letter-spacing: -.045em;
}

.hero-title span {
    display: block;
    color: #61adff;
    font-size: 1.2em;
    text-shadow: 0 0 32px rgba(34, 163, 255, .48);
}

.hero-subtitle {
    margin: 1rem 0 1.5rem;
    color: rgba(255,255,255,.96);
    font-size: clamp(1.1rem, 2vw, 1.7rem);
    text-transform: uppercase;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 1.3rem 0 1.6rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: .85rem;
    color: rgba(255,255,255,.95);
    font-size: 1.05rem;
    font-weight: 850;
    text-transform: uppercase;
}

.meta-icon {
    width: 38px;
    height: 38px;
    color: var(--cyan);
}

.meta-icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn-main {
    padding: .95rem 1.65rem;
    color: #fff;
    background: linear-gradient(135deg, #238eff, #086be2);
    border: 0;
    border-radius: .28rem;
    font-weight: 850;
    text-transform: uppercase;
    box-shadow: 0 16px 36px rgba(0,99,220,.33);
}

.btn-main:hover {
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-main {
    padding: .95rem 1.65rem;
    color: #fff;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.58);
    border-radius: .28rem;
    font-weight: 850;
    text-transform: uppercase;
}

.btn-outline-main:hover {
    color: #fff;
    background: rgba(255,255,255,.14);
}

.support-strip {
    padding: 1.55rem 0;
    background: linear-gradient(90deg, #f8fbff, #fff);
    border-bottom: 1px solid var(--border);
}

.support-title {
    color: #0a2c70;
    font-size: .95rem;
    font-weight: 850;
    text-transform: uppercase;
}

.support-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

    .support-logo img {
        max-height: 56px;
    }

.support-logo strong {
    display: block;
    color: #0a2c70;
    font-size: 1.05rem;
    line-height: 1.12;
}

.support-logo small {
    display: block;
    color: #33476c;
    font-size: .75rem;
}

.emblem {
    max-width: 56px;
    max-height: 56px;
}

.support-note {
    padding: .75rem 1rem;
    border-left: 3px solid var(--blue-500);
    color: #435778;
    font-weight: 700;
}

.content-grid {
    background: #fff;
}

.about-card,
.directions-panel {
    height: 100%;
    padding: 1.9rem 2rem;
    background: #fff;
}

.about-card h2,
.directions-panel h2,
.section-head h2 {
    margin: 0 0 1rem;
    color: #0a2c70;
    font-size: 1.4rem;
    font-weight: 950;
    text-transform: uppercase;
}

.about-card p {
    color: #273c62;
    line-height: 1.65;
}

.about-img {
    width: 100%;
    height: 292px;
    object-fit: cover;
    border-radius: .55rem;
    box-shadow: 0 18px 45px rgba(6,28,75,.18);
}

.btn-small-outline {
    padding: .75rem 1rem;
    color: #086be2;
    border: 1px solid #086be2;
    border-radius: .25rem;
    font-size: .8rem;
    font-weight: 850;
    text-transform: uppercase;
}

.directions-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .55rem;
}

.direction-item {
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .78rem;
    border: 1px solid var(--border);
    border-radius: .45rem;
    background: #fff;
    box-shadow: 0 8px 24px rgba(6,28,75,.04);
}

.direction-item i {
    min-width: 38px;
    color: #074fb4;
    font-size: 1.65rem;
    font-style: normal;
    line-height: 1;
}

.direction-item span {
    color: #102c61;
    font-size: .78rem;
    font-weight: 750;
    line-height: 1.18;
}

.info-row {
    background: #f4f9ff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.info-block {
    min-height: 142px;
    display: grid;
    grid-template-columns: 52px 1fr;
    column-gap: 1rem;
    padding: 1.65rem 2rem;
    border-right: 1px solid var(--border);
}

.info-block i {
    grid-row: span 2;
    color: #0966d5;
    font-size: 2rem;
    font-style: normal;
}

.info-block h3 {
    margin: 0;
    color: #0a2c70;
    font-size: 1.05rem;
    font-weight: 950;
    text-transform: uppercase;
}

.info-block p {
    margin: .25rem 0 0;
    color: #263c64;
    font-size: .9rem;
    line-height: 1.45;
}

.info-block.important strong {
    color: #df1010;
}

.wso-section {
    padding: 1.8rem 0 2.2rem;
    color: #fff;
    background: linear-gradient(90deg, rgba(3,18,48,.98), rgba(4,32,81,.95)), url("/neuro26/img/neurons-bg.jpg") center / cover no-repeat;
}

.section-head {
    margin-bottom: 1rem;
}

.section-head.light h2,
.section-head.light p {
    color: #fff;
}

.section-head p {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
}

.speaker-card {
    position: relative;
    min-height: 270px;
    padding: 1.15rem;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: .45rem;
    background: linear-gradient(180deg, rgba(11,48,107,.78), rgba(4,22,55,.88));
}

.speaker-card img {
    width: 82px;
    height: 82px;
    margin-bottom: .85rem;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.52);
}

.speaker-card .flag {
    position: absolute;
    top: 88px;
    right: 1.1rem;
    font-size: 1.25rem;
}

.speaker-card h3 {
    margin-bottom: .45rem;
    color: #fff;
    font-size: 1rem;
    font-weight: 900;
}

.speaker-card p {
    margin: 0;
    color: rgba(255,255,255,.83);
    font-size: .84rem;
    line-height: 1.45;
}

.committee-section {
    padding: 2rem 0;
    background: #fff;
}

.committee-card {
    height: 100%;
    padding: 1.3rem 1.25rem;
    border-right: 1px solid var(--border);
}

.committee-card h3 {
    margin-bottom: .6rem;
    color: #092e72;
    font-size: 1.02rem;
    font-weight: 950;
}

.committee-card p {
    min-height: 100px;
    color: #314769;
    font-size: .85rem;
    line-height: 1.5;
}

.committee-card a {
    display: block;
    margin-top: .3rem;
    color: #074fb4;
    font-size: .84rem;
    text-decoration: none;
}

.registration-section {
    padding: 2rem 0;
    background: #f4f9ff;
}

.registration-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 2.2rem;
    border-radius: .65rem;
    color: #fff;
    background:
        radial-gradient(circle at 85% 20%, rgba(57,197,255,.32), transparent 34%),
        linear-gradient(135deg, #06142f, #063e96);
}

.registration-card span {
    color: #65c7ff;
    font-weight: 850;
    text-transform: uppercase;
}

.registration-card h2 {
    margin: .25rem 0;
    font-size: clamp(1.6rem, 3vw, 2.7rem);
    font-weight: 950;
    text-transform: uppercase;
}

.registration-card p {
    margin: 0;
    color: rgba(255,255,255,.78);
}

.footer {
    padding: 1.5rem 0;
    color: rgba(255,255,255,.78);
    background: #020e26;
}

.footer strong {
    color: #fff;
}

.footer p {
    margin: .25rem 0 0;
}

@media (max-width: 1200px) {
    .directions-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .navbar-nav .nav-link {
        font-size: .9rem;
    }
}

@media (max-width: 992px) {
    .hero-bg {
        background: linear-gradient(90deg, rgba(2,14,38,.98), rgba(2,14,38,.72)), 
                    url("/neuro26/img/brain-bg.jpeg") center / cover no-repeat;
    }

    .directions-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .registration-card {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .container-fluid {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    .brand strong {
        font-size: .82rem;
    }

    .brand small {
        letter-spacing: .17em;
    }

    .hero-meta {
        gap: 1rem;
    }

    .meta-item {
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .directions-grid {
        grid-template-columns: 1fr;
    }

    .about-card,
    .directions-panel {
        padding: 1.25rem 0;
    }

    .info-block {
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }
}

.sponsors-section {
    padding: 4rem 0;
    background: linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%);
}

.sponsors {
    display: grid;
    gap: 1.5rem;
}

.sponsor-group {
    padding: 1.5rem;
    border: 1px solid #dce7f5;
    border-radius: 1rem;
    background: rgba(255,255,255,.86);
    box-shadow: 0 18px 45px rgba(6, 28, 75, .07);
}

.sponsor-title {
    margin-bottom: 1rem;
    color: #0a2c70;
    font-size: .82rem;
    font-weight: 950;
    letter-spacing: .12em;
    text-align: center;
    text-transform: uppercase;
}

.sponsor-logo-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.sponsor-logo {
    height: 118px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 1.5rem;
    border: 1px solid #e2ebf7;
    border-radius: .8rem;
    background: #fff;
}

    .sponsor-logo img {
        display: block;
        max-height: 68px;
        max-width: 200px;
        object-fit: contain;
    }

.program-hero {
    padding: 8rem 0 3rem;
    color: #fff;
    background: radial-gradient(circle at 85% 20%, rgba(57,197,255,.28), transparent 34%), linear-gradient(135deg, #06142f, #063e96);
}

.program-hero-inner span {
    color: #65c7ff;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: .12em;
}

.program-hero-inner h1 {
    max-width: 980px;
    margin: .5rem 0;
    font-size: clamp(2rem, 5vw, 4.8rem);
    line-height: .95;
    font-weight: 950;
    text-transform: uppercase;
}

.program-hero-inner p {
    margin: 0;
    color: rgba(255,255,255,.78);
    font-size: 1.15rem;
}

.program-section {
    padding: 3rem 0 5rem;
    background: #f4f9ff;
}

.program-day {
    margin-bottom: 3rem;
}

.program-day-header {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    border-radius: .75rem;
    color: #fff;
    background: linear-gradient(135deg, #06142f, #0a4ead);
}

    .program-day-header span {
        color: #65c7ff;
        font-size: .8rem;
        font-weight: 850;
        text-transform: uppercase;
        letter-spacing: .12em;
    }

    .program-day-header h2 {
        margin: .25rem 0 0;
        font-weight: 950;
        text-transform: uppercase;
    }

    .program-day-header p {
        max-width: 520px;
        margin: 0;
        color: rgba(255,255,255,.78);
    }

.hall-card {
    overflow: hidden;
    border-radius: .85rem;
    background: #fff;
    border: 1px solid #dce7f5;
    box-shadow: 0 18px 45px rgba(6, 28, 75, .07);
}

.hall-header {
    padding: 1rem 1.4rem;
    color: #fff;
    background: #082765;
}

    .hall-header h3 {
        margin: 0;
        font-size: 1.1rem;
        font-weight: 950;
        text-transform: uppercase;
    }

.program-block {
    display: grid;
    grid-template-columns: 150px 1fr;
    border-bottom: 1px solid #e2ebf7;
}

    .program-block:last-child {
        border-bottom: 0;
    }

.program-time {
    padding: 1.35rem 1rem;
    color: #0a2c70;
    background: #eef6ff;
    border-right: 1px solid #dce7f5;
    font-size: 1rem;
}

.program-content {
    padding: 1.35rem 1.5rem;
}

.section-label {
    margin-bottom: .35rem;
    color: #086be2;
    font-size: .78rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.program-content h4 {
    margin: 0;
    color: #0a2c70;
    font-size: 1.25rem;
    font-weight: 950;
}

@media (max-width: 768px) {
    .program-block {
        grid-template-columns: 1fr;
    }

    .program-time {
        padding: .75rem 1rem;
        border-right: 0;
        border-bottom: 1px solid #dce7f5;
        background: #eef6ff;
    }

    .program-content {
        padding: 1rem;
    }

    .report-item {
        display: flex !important;
        flex-direction: column;
  /*       grid-template-columns: 1fr;
       gap: .3rem;
        padding: .5rem;*/
    }

    .report-time {
        padding-bottom: .2rem;
        font-size: .85rem;
        color: #086be2;
        font-weight: 900;
        border-bottom: 1px solid #e2ebf7;
    }

    .report-body {
        min-width: 0;
    }

        .report-body h5 {
            font-size: .95rem;
            line-height: 1.35;
            word-break: break-word;
        }

        .report-body p {
            font-size: .88rem;
        }

    .speakers {
        margin-top: .5rem;
    }
}

.section-subtitle {
    margin: .45rem 0 0;
    color: #5d6f91;
}

.moderators {
    margin-top: .85rem;
    padding: .75rem 1rem;
    border-left: 4px solid #1688ff;
    background: #f4f9ff;
    color: #263c64;
    font-size: .92rem;
}

.reports {
    margin-top: 1rem;
    display: grid;
    gap: .75rem;
}

.report-item {
    display: grid;
    grid-template-columns: 95px 1fr;
    gap: 1rem;
    padding: 1rem;
    border-radius: .65rem;
    background: #fff;
    border: 1px solid #e2ebf7;
}

.report-time {
    color: #086be2;
    font-weight: 950;
    white-space: nowrap;
}

.report-body h5 {
    margin: 0;
    color: #10234a;
    font-size: 1rem;
    font-weight: 850;
}

.report-body p {
    margin: .35rem 0 0;
    color: #5d6f91;
    font-size: .92rem;
}

.program-section .speakers {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-top: .65rem;
}

.program-section .speakers span {
    display: inline-flex;
    padding: .35rem .6rem;
    border-radius: 10px;
    color: #0a2c70;
    background: #eef6ff;
    border: 1px solid #dce7f5;
    font-size: .82rem;
    font-weight: 700;
}

.live-stats {
    color: #0a2c70;
}

.live-stat {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem .8rem;
    border-radius: 999px;
    background: #eef6ff;
    border: 1px solid #dce7f5;
    font-weight: 800;
}

    .live-stat i {
        color: #086be2;
    }

    .live-stat small {
        color: #5d6f91;
        font-size: .75rem;
        font-weight: 700;
    }