:root {
    --bg: #030507;
    --bg-soft: rgba(8, 17, 24, 0.78);
    --text: #f3f6fb;
    --muted: #9ca7b6;
    --line: rgba(113, 133, 162, 0.20);
    --cyan: #18d7ff;
    --blue: #2b6eff;
    --purple: #b364ff;
    --green: #2ff09b;
    --danger: #ff5f7a;
    --radius-xl: 30px;
    --radius-lg: 22px;
    --shadow-soft: 0 0 0 1px rgba(255,255,255,.05), 0 15px 60px rgba(0,0,0,.35);
    --shadow-glow: 0 0 30px rgba(24, 215, 255, 0.20), 0 0 60px rgba(179, 100, 255, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, Arial, Helvetica, sans-serif;
    color: var(--text);
    background:
        linear-gradient(rgba(19, 220, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(19, 220, 255, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 50% 20%, rgba(74, 0, 224, 0.22), transparent 30%),
        radial-gradient(circle at 30% 40%, rgba(0, 209, 255, 0.18), transparent 22%),
        #020406;
    background-size: 62px 62px, 62px 62px, auto, auto, auto;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.section { padding: 76px 0; position: relative; }

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    inset: auto;
    border-radius: 50%;
    filter: blur(12px);
}

.hero::before {
    width: 460px;
    height: 460px;
    left: 50%;
    top: 48%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(24,215,255,.25), transparent 60%);
}

.hero::after {
    width: 520px;
    height: 520px;
    left: 50%;
    top: 35%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(179,100,255,.16), transparent 62%);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    background: rgba(17, 23, 31, 0.88);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 999px;
    color: #8beaff;
    font-weight: 700;
    box-shadow: var(--shadow-soft);
}

.hero h1,
.section-title,
.brand-font {
    font-family: Orbitron, Inter, Arial, sans-serif;
    letter-spacing: -0.03em;
}

.hero h1 {
    font-size: clamp(2.7rem, 8vw, 5.8rem);
    line-height: 0.95;
    margin: 28px auto 24px;
    max-width: 1100px;
    font-weight: 800;
}

.gradient-text {
    background: linear-gradient(90deg, var(--cyan), var(--blue) 45%, var(--purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.light-text {
    color: #f8fbff;
}

.hero p.lead {
    max-width: 880px;
    margin: 0 auto 34px;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: #d8e0ea;
    line-height: 1.5;
}

.info-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-bottom: 38px;
}

.info-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    background: rgba(16, 24, 34, 0.82);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 18px;
    color: #dbe6f2;
    box-shadow: var(--shadow-soft);
}

.countdown-label {
    color: var(--muted);
    letter-spacing: .10em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 38px;
}

.count-box {
    width: 120px;
    border-radius: 22px;
    padding: 20px 12px;
    background: linear-gradient(180deg, rgba(25,48,76,.92), rgba(44,25,79,.92));
    box-shadow: 0 0 30px rgba(0, 235, 255, 0.24);
    border: 1px solid rgba(255,255,255,.08);
}

.count-box strong {
    display: block;
    font-size: 2.4rem;
    font-family: Orbitron, sans-serif;
    margin-bottom: 10px;
}

.count-box span {
    color: #cbd6e2;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: .92rem;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 34px;
    border: 0;
    border-radius: 20px;
    font-weight: 800;
    font-size: 1.15rem;
    cursor: pointer;
    transition: .25s ease;
}

.btn-primary {
    color: white;
    background: linear-gradient(90deg, #11c9e9, #2c66f6);
    box-shadow: 0 12px 35px rgba(30, 180, 255, .28);
}

.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-secondary {
    background: rgba(255,255,255,.08);
    color: white;
    border: 1px solid rgba(255,255,255,.08);
}

.arrow-down {
    margin-top: 22px;
    font-size: 2rem;
    color: var(--cyan);
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.1;
    margin: 0 0 22px;
}

.section-subtitle {
    max-width: 840px;
    margin: 0 auto 28px;
    text-align: center;
    color: var(--muted);
    font-size: 1.15rem;
}

.grid-2,
.grid-4 {
    display: grid;
    gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
    background: rgba(8, 13, 18, 0.88);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
}

.text-card {
    padding: 34px 40px;
    min-height: 300px;
    color: #dce5ef;
    font-size: 1.12rem;
    line-height: 1.65;
}

.text-card b,
.text-highlight-cyan { color: var(--cyan); }
.text-highlight-purple { color: #c68eff; }

.feature-card {
    padding: 30px;
    min-height: 270px;
}

.icon-box {
    width: 78px;
    height: 78px;
    border-radius: 24px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    background: linear-gradient(180deg, rgba(24,215,255,.20), rgba(179,100,255,.20));
    box-shadow: var(--shadow-glow);
    font-size: 2rem;
}

.feature-card h3,
.speaker-content h3,
.footer-brand {
    font-family: Orbitron, sans-serif;
}

.feature-card h3 {
    margin: 0 0 14px;
    font-size: 1.8rem;
}

.feature-card p {
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.55;
}

.speaker-card {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
    align-items: center;
    padding: 42px;
    background: linear-gradient(90deg, rgba(17,24,33,.90), rgba(20,13,30,.90));
}

.speaker-photo-wrap {
    position: relative;
}

.speaker-photo-wrap::before {
    content: '';
    position: absolute;
    inset: -18px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(18,230,255,.4), transparent 60%);
    filter: blur(8px);
    z-index: 0;
}

.speaker-photo {
    position: relative;
    z-index: 1;
    width: 230px;
    height: 230px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    border: 6px solid rgba(255,255,255,.06);
    background: #f0f0f0;
}

.speaker-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-tag {
    display: inline-block;
    background: rgba(13, 91, 120, 0.55);
    color: #7ce9ff;
    font-weight: 700;
    padding: 10px 18px;
    border-radius: 999px;
    margin-bottom: 18px;
}

.speaker-content h3 {
    margin: 0 0 18px;
    font-size: clamp(2rem, 4vw, 3.8rem);
    line-height: 1.05;
}

.speaker-content p {
    color: #dbe4ef;
    font-size: 1.18rem;
    line-height: 1.6;
    max-width: 820px;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    color: var(--cyan);
    font-weight: 700;
}

.form-wrap {
    width: min(720px, 100%);
    margin: 0 auto;
    padding: 40px;
    background: linear-gradient(90deg, rgba(15, 26, 31, 0.92), rgba(18, 34, 38, 0.92));
}

.form-group { margin-bottom: 22px; }
.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 1.05rem;
    font-weight: 700;
}

.input {
    width: 100%;
    padding: 18px 18px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,.10);
    outline: 0;
    background: rgba(255,255,255,.04);
    color: white;
    font-size: 1.05rem;
}

.input::placeholder { color: #708091; }
.input:focus {
    border-color: rgba(24,215,255,.45);
    box-shadow: 0 0 0 3px rgba(24,215,255,.12);
}

.form-note {
    color: #7f8c99;
    margin-top: 22px;
    text-align: center;
}

.alert {
    width: min(720px, 100%);
    margin: 0 auto 22px;
    padding: 16px 20px;
    border-radius: 16px;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(20, 114, 74, 0.18);
    border-color: rgba(47, 240, 155, 0.28);
    color: #aff6d1;
}

.alert-error {
    background: rgba(138, 34, 58, 0.16);
    border-color: rgba(255, 95, 122, 0.28);
    color: #ffc3ce;
}

.trust-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
    color: #a8b4c1;
    margin-top: 34px;
}

.trust-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
}

.footer {
    border-top: 1px solid rgba(255,255,255,.06);
    padding: 70px 0 54px;
    text-align: center;
    background: rgba(0,0,0,.22);
}

.footer-brand {
    font-size: 2.1rem;
    margin-bottom: 18px;
}

.footer-text,
.footer-copy {
    color: #8392a1;
}

.footer-social {
    display: inline-flex;
    margin: 20px 0;
    font-size: 2rem;
    color: #cfd9e5;
}

.admin-body {
    background: #081017;
    color: #eef5fb;
}

.admin-shell {
    width: min(1100px, calc(100% - 32px));
    margin: 40px auto;
}

.admin-card {
    background: #0e1721;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 22px;
    padding: 24px;
    box-shadow: var(--shadow-soft);
}

.admin-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.admin-table-wrap { overflow-x: auto; }
.admin-table {
    width: 100%;
    border-collapse: collapse;
}
.admin-table th,
.admin-table td {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    text-align: left;
}
.admin-table th { color: #9ec8ff; }
.admin-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.small { font-size: .92rem; color: #93a4b7; }

@media (max-width: 991px) {
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .speaker-card { grid-template-columns: 1fr; text-align: center; }
    .speaker-content p { margin: 0 auto; }
}

@media (max-width: 767px) {
    .section { padding: 58px 0; }
    .grid-2,
    .grid-4 { grid-template-columns: 1fr; }
    .text-card,
    .feature-card,
    .form-wrap,
    .speaker-card { padding: 24px; }
    .count-box { width: 100px; }
    .hero p.lead { font-size: 1.02rem; }
    .btn-primary, .btn-secondary { width: 100%; }
}