:root {
    --brand: #0b3647;
    --white: #ffffff;
    --cta-green-top: #49c776;
    --cta-green-mid: #2fa861;
    --cta-green-bottom: #1e7f4a;
    --cta-green-text: #071d14;
    --cta-green-shadow: rgba(13, 82, 46, 0.3);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: #031018;
    color: var(--white);
    overflow-x: hidden;
}

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

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

.container {
    width: min(1400px, calc(100% - 48px));
    margin: 0 auto;
}

.hero {
    position: relative;
    overflow: hidden;
    min-height: 100svh;
    background:
        radial-gradient(circle at 73% 29%, rgba(78, 208, 255, 0.22), transparent 12rem),
        radial-gradient(circle at 16% 12%, rgba(14, 67, 89, 0.34), transparent 20rem),
        linear-gradient(115deg, #020c14 0%, #04141f 44%, #071d2a 100%);
    color: var(--white);
    padding: clamp(28px, 4vw, 42px) 0 clamp(24px, 3vw, 36px);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(1, 10, 15, 0.94) 0%, rgba(1, 10, 15, 0.88) 40%, rgba(1, 10, 15, 0.34) 100%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.56), transparent 72%);
    opacity: 0.4;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(680px, 1.15fr) minmax(460px, 0.95fr);
    gap: clamp(10px, 1.6vw, 24px);
    align-items: end;
}

.hero-copy {
    max-width: 760px;
    padding: 0 0 clamp(28px, 3vw, 48px);
    align-self: start;
}

.hero-visual-mobile {
    display: none !important;
}

.hero-logo {
    width: clamp(220px, 28vw, 360px);
    margin: 0 0 48px;
    filter: brightness(0) invert(1);
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    border: 1px solid rgba(140, 200, 220, 0.22);
    border-radius: 16px;
    background: rgba(7, 25, 35, 0.82);
    padding: 8px 16px;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    box-shadow: inset 0 0 0 1px rgba(102, 189, 224, 0.06);
}

.hero-kicker::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #56d0e4;
    box-shadow: 0 0 14px rgba(86, 208, 228, 0.7);
}

.hero-title {
    margin: 20px 0 22px;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: -0.05em;
}

.hero-title-main {
    display: block;
    font-size: clamp(40px, 7.2vw, 70px);
    font-weight: 900;
    line-height: 0.84;
    text-transform: uppercase;
    color: #ffffff;
    text-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
}

.hero-title-accent {
    color: #5bd0dd;
}

.hero-title-sub {
    display: block;
    margin-top: 20px;
    max-width: 700px;
    font-size: clamp(20px, 1.9vw, 25px);
    font-weight: 600;
    line-height: 1.28;
    letter-spacing: -0.02em;
    color: rgba(255, 255, 255, 0.96);
    text-transform: none;
}

.hero p.lead {
    max-width: 700px;
    margin: 0 0 34px;
    color: rgba(255, 255, 255, 0.9);
    font-size: clamp(16px, 1.45vw, 18px);
    line-height: 1.55;
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    max-width: 620px;
    overflow: hidden;
    border: 1px solid rgba(120, 180, 200, 0.16);
    border-radius: 20px;
    background: rgba(5, 24, 35, 0.74);
    box-shadow: inset 0 0 0 1px rgba(93, 164, 188, 0.08);
    backdrop-filter: blur(12px);
}

.meta-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
}

.meta-card + .meta-card {
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.meta-icon {
    width: 28px;
    height: 28px;
    flex: none;
    color: #86d7e7;
}

.meta-copy strong,
.meta-copy span {
    display: block;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
}

.meta-copy strong {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.55);
}

.meta-copy span {
    margin-top: 4px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #ffffff;
    line-height: 1.2;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    margin-top: 28px;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 62px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--cta-green-top) 0%, var(--cta-green-mid) 48%, var(--cta-green-bottom) 100%);
    padding: 16px 38px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--cta-green-text);
    box-shadow:
        0 22px 40px var(--cta-green-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
    transition: transform 0.2s ease, filter 0.2s ease;
}

.hero-cta:hover {
    transform: translateY(-1px);
    filter: brightness(1.03);
}

.hero-cta-mobile {
    display: none;
}

.hero-note {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.66);
}

.hero-note svg {
    width: 18px;
    height: 18px;
    color: rgba(255, 255, 255, 0.78);
}

.hero-visual {
    position: relative;
    min-height: 740px;
    display: flex;
    align-items: end;
    justify-content: flex-end;
    padding-left: 0;
}

.hero-rings {
    position: absolute;
    right: -12px;
    bottom: 56px;
    width: min(108%, 680px);
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    border: 2px solid rgba(88, 197, 214, 0.2);
    box-shadow:
        0 0 52px rgba(55, 201, 255, 0.08),
        inset 0 0 24px rgba(55, 201, 255, 0.04);
}

.hero-rings::before,
.hero-rings::after {
    content: '';
    position: absolute;
    inset: 8%;
    border-radius: 50%;
    border: 2px solid rgba(88, 197, 214, 0.14);
}

.hero-rings::after {
    inset: 16%;
}

.hero-rings span {
    position: absolute;
    inset: 24%;
    border-radius: 50%;
    border: 2px solid rgba(88, 197, 214, 0.1);
}

.hero-glow {
    position: absolute;
    right: 58px;
    top: 138px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(65, 207, 255, 0.24), rgba(65, 207, 255, 0) 70%);
    filter: blur(14px);
}

.hero-dots {
    position: absolute;
    right: 46px;
    top: 176px;
    width: 72px;
    height: 112px;
    background-image: radial-gradient(rgba(153, 216, 229, 0.4) 1.5px, transparent 1.5px);
    background-size: 12px 12px;
    opacity: 0.62;
}

.hero-portrait-wrap {
    position: relative;
    z-index: 1;
    width: min(100%, 600px);
    margin-right: -10px;
    transform: translateY(-92px);
}

.hero-portrait {
    width: 100%;
    height: auto;
    object-fit: contain;
    background: transparent;
    filter: drop-shadow(0 32px 48px rgba(0, 0, 0, 0.28));
}

.hero-speaker-badge {
    position: absolute;
    right: -4px;
    bottom: 34px;
    min-width: 356px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 18px;
    background:
        linear-gradient(90deg, rgba(56, 74, 91, 0.7) 0%, rgba(43, 59, 74, 0.58) 58%, rgba(18, 31, 43, 0.24) 82%, rgba(4, 20, 31, 0) 100%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0));
    padding: 18px 22px;
    backdrop-filter: blur(14px);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.16);
    mask-image: linear-gradient(90deg, #000 0%, #000 78%, rgba(0, 0, 0, 0.42) 92%, transparent 100%);
    overflow: hidden;
}

.hero-speaker-badge strong,
.hero-speaker-badge span {
    display: block;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
}

.hero-speaker-badge strong {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: #ffffff;
}

.hero-speaker-badge span {
    margin-top: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.68);
}

.signup-section {
    position: relative;
    margin-top: -1px;
    padding: clamp(52px, 6vw, 80px) 0 clamp(72px, 7vw, 92px);
    background:
        radial-gradient(circle at 76% 10%, rgba(75, 210, 255, 0.14), transparent 18rem),
        radial-gradient(circle at 18% 24%, rgba(18, 87, 114, 0.24), transparent 22rem),
        linear-gradient(180deg, #06141f 0%, #071924 42%, #071520 100%);
}

.signup-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.36;
    pointer-events: none;
}

.signup-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(3, 16, 24, 0.9) 0%, rgba(3, 16, 24, 0.24) 14%, rgba(3, 16, 24, 0) 28%),
        radial-gradient(circle at 84% 8%, rgba(87, 211, 234, 0.08), transparent 16rem);
    pointer-events: none;
}

.signup-shell {
    position: relative;
    z-index: 1;
    max-width: 980px;
    margin: 0 auto;
}

.signup-head {
    display: flex;
    justify-content: center;
    margin-bottom: 22px;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #67d5e6;
}

.section-kicker::before {
    display: none;
}

.signup-card {
    position: relative;
    border: 1px solid rgba(103, 213, 230, 0.24);
    border-radius: 32px;
    background:
        linear-gradient(180deg, rgba(10, 29, 40, 0.95), rgba(8, 23, 33, 0.93)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
    padding: clamp(28px, 3.2vw, 38px);
    box-shadow:
        0 30px 72px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(103, 213, 230, 0.08),
        0 0 42px rgba(55, 201, 255, 0.08),
        inset 0 0 0 1px rgba(103, 213, 230, 0.06);
    backdrop-filter: blur(14px);
    overflow: hidden;
}

.signup-card::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(84, 203, 229, 0.16), transparent 70%);
    pointer-events: none;
}

.signup-card::after {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(103, 213, 230, 0) 0%, rgba(103, 213, 230, 0.46) 18%, rgba(103, 213, 230, 0.22) 52%, rgba(103, 213, 230, 0) 100%);
    pointer-events: none;
}

.signup-form {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 22px;
}

.form-field {
    display: grid;
    gap: 8px;
}

.form-field-full {
    grid-column: 1 / -1;
}

.form-field label {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
}

.form-field input,
.form-field select {
    min-height: 62px;
    width: 100%;
    border: 1px solid rgba(126, 193, 214, 0.18);
    border-radius: 18px;
    background: rgba(4, 17, 25, 0.8);
    padding: 17px 18px;
    font: inherit;
    color: #ffffff;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.form-field input::placeholder,
.form-field select {
    color: rgba(255, 255, 255, 0.58);
}

.form-field input:focus,
.form-field select:focus {
    outline: 0;
    border-color: rgba(103, 213, 230, 0.52);
    background: rgba(6, 23, 34, 0.92);
    box-shadow: 0 0 0 4px rgba(103, 213, 230, 0.12);
}

.signup-submit {
    grid-column: 1 / -1;
    min-height: 68px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--cta-green-top) 0%, var(--cta-green-mid) 48%, var(--cta-green-bottom) 100%);
    padding: 18px 32px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--cta-green-text);
    cursor: pointer;
    box-shadow:
        0 20px 42px var(--cta-green-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
    transition: transform 0.2s ease, filter 0.2s ease;
}

.signup-submit:hover {
    transform: translateY(-2px);
    filter: brightness(1.04);
}

.signup-submit:disabled {
    cursor: wait;
    opacity: 0.78;
    transform: none;
}

.form-message {
    grid-column: 1 / -1;
    min-height: 22px;
    margin: -2px 0 0;
    font-size: 14px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.72);
}

.form-message--success {
    color: #8fe7b3;
}

.form-message--error {
    color: #ff9d9d;
}

.learning-section {
    position: relative;
    padding: clamp(64px, 7vw, 92px) 0;
    background:
        radial-gradient(circle at 14% 18%, rgba(78, 206, 231, 0.12), transparent 18rem),
        radial-gradient(circle at 82% 20%, rgba(12, 76, 101, 0.16), transparent 22rem),
        linear-gradient(180deg, #06131c 0%, #071722 100%);
}

.learning-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.28;
    pointer-events: none;
}

.learning-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 88% 14%, rgba(86, 205, 228, 0.08), transparent 14rem),
        linear-gradient(180deg, rgba(3, 16, 24, 0.16), rgba(3, 16, 24, 0));
    pointer-events: none;
}

.learning-shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.84fr);
    gap: clamp(24px, 3.2vw, 42px);
    align-items: center;
}

.learning-copy {
    max-width: 620px;
}

.learning-kicker {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #67d5e6;
}

.learning-kicker::before {
    content: '';
    width: 36px;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
}

.learning-copy h2 {
    margin: 16px 0 22px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(34px, 4vw, 56px);
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: -0.04em;
    color: #ffffff;
}

.learning-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.learning-list li {
    position: relative;
    min-height: 68px;
    display: flex;
    align-items: center;
    padding: 14px 18px 14px 74px;
    border: 1px solid rgba(103, 213, 230, 0.12);
    border-radius: 20px;
    background: rgba(8, 27, 39, 0.58);
    box-shadow:
        0 18px 44px rgba(0, 0, 0, 0.16),
        inset 0 0 0 1px rgba(255, 255, 255, 0.03);
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
}

.learning-list li::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 50%;
    width: 40px;
    height: 40px;
    border-radius: 14px;
    transform: translateY(-50%);
    background:
        radial-gradient(circle at 30% 30%, rgba(100, 217, 238, 0.3), transparent 58%),
        linear-gradient(180deg, #11354b 0%, #0a2030 100%);
    box-shadow:
        0 12px 24px rgba(0, 0, 0, 0.16),
        inset 0 0 0 1px rgba(118, 217, 235, 0.18);
}

.learning-list li::after {
    content: '';
    position: absolute;
    left: 31px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: #62d6e8;
    box-shadow: 0 0 0 5px rgba(98, 214, 232, 0.12);
}

.learning-media {
    position: relative;
}

.learning-media::before {
    content: '';
    position: absolute;
    inset: -18px auto auto -18px;
    width: 180px;
    height: 180px;
    border-radius: 34px;
    background: linear-gradient(135deg, rgba(87, 202, 222, 0.14), rgba(87, 202, 222, 0));
    pointer-events: none;
}

.learning-image {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 560px;
    object-fit: cover;
    object-position: center;
    border-radius: 40px;
    border: 1px solid rgba(103, 213, 230, 0.12);
    box-shadow:
        0 26px 64px rgba(0, 0, 0, 0.22),
        inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.specialist-section {
    position: relative;
    padding: clamp(64px, 7vw, 92px) 0;
    background:
        radial-gradient(circle at 18% 16%, rgba(78, 206, 231, 0.12), transparent 18rem),
        radial-gradient(circle at 84% 24%, rgba(12, 76, 101, 0.16), transparent 20rem),
        linear-gradient(180deg, #06131c 0%, #071722 100%);
}

.specialist-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.28;
    pointer-events: none;
}

.specialist-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 86%, rgba(86, 205, 228, 0.08), transparent 16rem),
        linear-gradient(180deg, rgba(3, 16, 24, 0.12), rgba(3, 16, 24, 0));
    pointer-events: none;
}

.specialist-shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(200px, 240px) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 38px);
    align-items: center;
    max-width: 1180px;
    margin: 0 auto;
    border: 1px solid rgba(103, 213, 230, 0.12);
    border-radius: 30px;
    background: rgba(8, 27, 39, 0.58);
    padding: clamp(24px, 3vw, 34px);
    box-shadow:
        0 24px 56px rgba(0, 0, 0, 0.16),
        inset 0 0 0 1px rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
}

.specialist-media {
    position: relative;
    display: flex;
    justify-content: center;
}

.specialist-media::before {
    content: '';
    position: absolute;
    inset: 50% auto auto 50%;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(91, 208, 221, 0.16), rgba(91, 208, 221, 0) 68%);
    pointer-events: none;
}

.specialist-image {
    position: relative;
    z-index: 1;
    width: min(100%, 210px);
    aspect-ratio: 1 / 1;
    min-height: 0;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
    border: 1px solid rgba(103, 213, 230, 0.16);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.specialist-copy {
    max-width: 700px;
}

.specialist-kicker {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #67d5e6;
}

.specialist-kicker::before {
    content: '';
    width: 36px;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
}

.specialist-copy h2 {
    margin: 18px 0 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(32px, 3.6vw, 48px);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.04em;
    color: #ffffff;
}

.specialist-copy p {
    margin: 0;
    font-size: clamp(17px, 1.5vw, 19px);
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.8);
}

.specialist-copy p + p {
    margin-top: 18px;
}

.invite-section {
    position: relative;
    padding: clamp(64px, 7vw, 92px) 0;
    background:
        radial-gradient(circle at 50% 0%, rgba(59, 201, 235, 0.08), transparent 18rem),
        linear-gradient(180deg, #06131b 0%, #071722 100%);
}

.invite-section .container {
    width: calc(100% - 40px);
    max-width: none;
}

.invite-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.22;
    pointer-events: none;
}

.invite-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 84% 24%, rgba(86, 205, 228, 0.08), transparent 16rem),
        linear-gradient(180deg, rgba(3, 16, 24, 0.14), rgba(3, 16, 24, 0));
    pointer-events: none;
}

.invite-card {
    position: relative;
    z-index: 1;
    max-width: none;
    margin: 0 auto;
    border: 1px solid rgba(129, 203, 220, 0.16);
    border-radius: 34px;
    background:
        radial-gradient(circle at 50% 0%, rgba(84, 211, 233, 0.1), transparent 16rem),
        linear-gradient(180deg, rgba(5, 22, 32, 0.98), rgba(6, 28, 40, 0.96));
    padding: clamp(26px, 3vw, 36px);
    box-shadow:
        0 30px 70px rgba(0, 0, 0, 0.24),
        inset 0 0 0 1px rgba(255, 255, 255, 0.04);
    overflow: hidden;
    backdrop-filter: blur(12px);
}

.invite-card::before,
.invite-card::after {
    content: '';
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
}

.invite-card::before {
    inset: auto auto -140px -80px;
    width: 240px;
    height: 240px;
    border: 1px solid rgba(94, 212, 231, 0.05);
}

.invite-card::after {
    top: -90px;
    right: -90px;
    width: 240px;
    height: 240px;
    border: 1px solid rgba(94, 212, 231, 0.05);
}

.invite-head {
    position: relative;
    z-index: 1;
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
}

.invite-logo {
    margin: 0 auto 10px;
}

.invite-head h2 {
    margin: 18px 0 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(34px, 4vw, 58px);
    font-weight: 800;
    line-height: 0.96;
    letter-spacing: -0.04em;
    color: #ffffff;
    text-transform: uppercase;
}

.invite-head p {
    margin: 0;
    max-width: 760px;
    margin-inline: auto;
    font-size: clamp(17px, 1.45vw, 21px);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.82);
}

.invite-columns {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
}

.invite-column {
    display: grid;
    grid-template-rows: auto 1fr;
    align-content: start;
    min-height: 100%;
    padding: 22px 20px;
    border: 1px solid rgba(103, 213, 230, 0.12);
    border-radius: 22px;
    background: rgba(8, 27, 39, 0.46);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    backdrop-filter: blur(10px);
}

.invite-column:hover {
    transform: translateY(-2px);
    border-color: rgba(103, 213, 230, 0.22);
    background: rgba(9, 31, 44, 0.62);
}

.invite-icon-wrap {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    align-self: start;
    border: 1px solid rgba(103, 213, 230, 0.16);
    border-radius: 18px;
    background:
        radial-gradient(circle at 30% 30%, rgba(98, 214, 232, 0.16), transparent 60%),
        linear-gradient(180deg, rgba(10, 35, 49, 0.88), rgba(7, 24, 35, 0.88));
    box-shadow:
        0 12px 24px rgba(0, 0, 0, 0.16),
        inset 0 0 0 1px rgba(255, 255, 255, 0.03);
    line-height: 0;
}

.invite-icon {
    width: 28px;
    height: 28px;
    display: block;
    flex: none;
    color: #62d6e8;
}

.invite-column p {
    margin: 14px 0 0;
    font-size: clamp(15px, 1.15vw, 17px);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.78);
}

.invite-meta {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 20px;
    border: 0;
    border-radius: 0;
    background: transparent;
    overflow: visible;
}

.invite-meta-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 18px 20px;
    border: 1px solid rgba(103, 213, 230, 0.16);
    border-radius: 18px;
    background: rgba(7, 24, 35, 0.58);
    box-shadow:
        0 14px 26px rgba(0, 0, 0, 0.12),
        inset 0 0 0 1px rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
}

.invite-meta-icon {
    width: 48px;
    height: 48px;
    flex: none;
    display: grid;
    place-items: center;
    border: 1px solid rgba(103, 213, 230, 0.16);
    border-radius: 16px;
    background:
        radial-gradient(circle at 30% 30%, rgba(98, 214, 232, 0.16), transparent 60%),
        linear-gradient(180deg, rgba(10, 35, 49, 0.88), rgba(7, 24, 35, 0.88));
    color: #62d6e8;
    line-height: 0;
    overflow: hidden;
}

.invite-meta-icon svg {
    width: 24px;
    height: 24px;
    display: block;
    flex: none;
}

.invite-meta-copy {
    min-width: 0;
}

.invite-meta-item strong,
.invite-meta-item span {
    display: block;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
}

.invite-meta-item strong {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #62d6e8;
}

.invite-meta-item span {
    margin-top: 8px;
    font-size: clamp(14px, 1.2vw, 18px);
    font-weight: 800;
    line-height: 1.35;
    color: #ffffff;
}

.invite-footer {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: center;
    margin-top: 20px;
    border: 1px solid rgba(103, 213, 230, 0.16);
    border-radius: 22px;
    background: rgba(5, 22, 33, 0.52);
    padding: 24px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.invite-note {
    margin: 0;
    max-width: 680px;
    font-size: clamp(15px, 1.2vw, 18px);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.82);
}

.invite-actions {
    display: flex;
    justify-content: center;
    width: 100%;
}

.invite-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 68px;
    width: min(100%, 420px);
    border-radius: 999px;
    background: linear-gradient(180deg, var(--cta-green-top) 0%, var(--cta-green-mid) 48%, var(--cta-green-bottom) 100%);
    padding: 18px 30px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--cta-green-text);
    box-shadow:
        0 24px 48px var(--cta-green-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
    transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
}

.invite-cta:hover {
    transform: translateY(-2px);
    filter: brightness(1.04);
    box-shadow:
        0 28px 56px rgba(18, 97, 57, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

@media (max-width: 1180px) {
    .container {
        width: min(1400px, calc(100% - 36px));
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
        gap: 20px;
    }

    .hero-title-main {
        font-size: clamp(40px, 6vw, 62px);
    }

    .hero-title-sub {
        font-size: clamp(19px, 1.75vw, 23px);
        max-width: 620px;
    }

    .hero p.lead {
        max-width: 620px;
    }

    .hero-meta {
        max-width: 100%;
    }

    .hero-visual {
        min-height: 640px;
    }

    .hero-rings {
        right: -8px;
        bottom: 52px;
        width: min(108%, 580px);
    }

    .hero-glow {
        right: 34px;
        top: 112px;
    }

    .hero-dots {
        right: 20px;
        top: 154px;
    }

    .hero-portrait-wrap {
        width: min(100%, 520px);
        margin-right: 0;
        transform: translateY(-52px);
    }

    .hero-speaker-badge {
        right: 0;
        min-width: 300px;
        max-width: calc(100% - 16px);
        padding: 16px 18px;
    }

    .learning-shell {
        grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
    }

    .learning-image {
        min-height: 500px;
    }

    .specialist-shell {
        grid-template-columns: minmax(180px, 210px) minmax(0, 1fr);
    }

    .invite-head h2 {
        font-size: clamp(32px, 3.7vw, 50px);
    }

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

    .invite-column:last-child {
        grid-column: 1 / -1;
    }

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

@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }

    .hero-copy {
        max-width: none;
        padding-top: 0;
    }

    .hero-meta {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .meta-card + .meta-card {
        border-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero-visual {
        min-height: 580px;
        margin-top: 8px;
        padding-left: 0;
        justify-content: center;
    }

    .hero-portrait-wrap {
        margin-right: 0;
        margin-left: 0;
        transform: translateY(-24px);
    }

    .hero-speaker-badge {
        min-width: min(100%, 320px);
        right: 50%;
        transform: translateX(50%);
    }

    .learning-shell {
        grid-template-columns: 1fr;
    }

    .learning-copy {
        max-width: none;
    }

    .learning-image {
        min-height: 440px;
    }

    .specialist-shell {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    .specialist-copy {
        max-width: none;
    }

    .specialist-image {
        width: min(100%, 190px);
    }

    .invite-card {
        padding: 26px 22px;
    }

    .invite-columns,
    .invite-meta {
        grid-template-columns: 1fr;
    }

    .invite-column {
        padding: 20px 18px;
    }

    .invite-column:last-child {
        grid-column: auto;
    }

    .invite-footer {
        gap: 16px;
    }

}

@media (max-width: 768px) {
    .container {
        width: min(1180px, calc(100% - 24px));
    }

    .hero {
        padding-top: 22px;
        padding-bottom: 36px;
    }

    .hero-logo {
        width: min(100%, 250px);
        margin: 0 auto 24px;
    }

    .hero-copy {
        padding-top: 0;
    }

    .hero-visual {
        display: none !important;
    }

    .hero-kicker {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        min-height: auto;
        padding: 10px 14px;
        font-size: 11px;
        letter-spacing: 0.06em;
        text-align: center;
        line-height: 1.35;
    }

    .hero-visual-mobile {
        position: relative;
        display: flex !important;
        min-height: 360px;
        margin: -14px 0 10px;
        align-items: end;
        justify-content: center;
    }

    .hero-cta-mobile {
        display: inline-flex;
        width: 100%;
        min-height: 58px;
        margin: 2px 0 18px;
        padding-inline: 18px;
        text-align: center;
        background: linear-gradient(180deg, var(--cta-green-top) 0%, var(--cta-green-mid) 48%, var(--cta-green-bottom) 100%);
        color: var(--cta-green-text);
        box-shadow:
            0 18px 36px var(--cta-green-shadow),
            inset 0 1px 0 rgba(255, 255, 255, 0.22);
    }

    .hero-actions {
        display: none;
    }

    .hero-title-main {
        font-size: clamp(46px, 16vw, 64px);
    }

    .hero-title-sub {
        margin-top: 16px;
        max-width: none;
        font-size: clamp(18px, 5.4vw, 24px);
        line-height: 1.24;
        overflow-wrap: anywhere;
    }

    .hero p.lead {
        font-size: 16px;
        max-width: none;
        margin-bottom: 24px;
        overflow-wrap: anywhere;
    }

    .hero-actions {
        align-items: stretch;
        gap: 14px;
    }

    .hero-cta {
        width: 100%;
        min-height: 60px;
        padding-inline: 20px;
        text-align: center;
    }

    .hero-note {
        justify-content: center;
        width: 100%;
    }

    .hero-visual {
        min-height: 430px;
        margin-top: -44px;
    }

    .hero-portrait-wrap {
        width: min(100%, 400px);
        transform: translateY(-54px);
    }

    .hero-glow {
        right: 18px;
        top: 36px;
        width: 90px;
        height: 90px;
    }

    .hero-rings {
        right: 50%;
        bottom: 10px;
        width: min(126%, 392px);
        transform: translateX(50%);
    }

    .hero-dots {
        top: 88px;
        right: 18px;
        transform: scale(0.8);
        transform-origin: top right;
    }

    .hero-speaker-badge {
        right: 50%;
        bottom: 4px;
        min-width: min(100%, 280px);
        transform: translateX(50%);
        padding: 14px 16px;
    }

    .hero-speaker-badge strong {
        font-size: 14px;
    }

    .hero-speaker-badge span {
        font-size: 12px;
    }

    .signup-section {
        padding: 48px 0 64px;
    }

    .signup-form {
        grid-template-columns: 1fr;
    }

    .form-field,
    .form-field-full,
    .signup-submit {
        grid-column: auto;
    }

    .signup-card {
        border-radius: 24px;
        padding: 24px 18px;
    }

    .learning-section {
        padding: 48px 0 64px;
    }

    .learning-copy h2 {
        font-size: clamp(30px, 9vw, 40px);
        margin-bottom: 22px;
    }

    .learning-kicker,
    .specialist-kicker,
    .section-kicker {
        line-height: 1.3;
    }

    .learning-list li {
        min-height: 64px;
        padding: 14px 16px 14px 68px;
        border-radius: 20px;
        font-size: 15px;
    }

    .learning-list li::before {
        left: 16px;
        width: 38px;
        height: 38px;
        border-radius: 14px;
    }

    .learning-list li::after {
        left: 31px;
    }

    .learning-image {
        min-height: 260px;
        border-radius: 28px;
    }

    .specialist-section {
        padding: 48px 0 64px;
    }

    .specialist-copy h2 {
        font-size: clamp(30px, 9vw, 40px);
    }

    .specialist-copy p {
        font-size: 16px;
    }

    .specialist-shell {
        border-radius: 24px;
        padding: 24px 18px;
    }

    .specialist-image {
        width: min(100%, 168px);
    }

    .invite-section {
        padding: 48px 0 64px;
    }

    .invite-section .container {
        width: calc(100% - 24px);
    }

    .invite-card {
        border-radius: 28px;
        padding: 24px 18px;
    }

    .invite-logo {
        margin: 0 auto 8px;
    }

    .invite-head h2 {
        font-size: clamp(28px, 9vw, 40px);
    }

    .invite-head p,
    .invite-column p,
    .invite-note {
        font-size: 15px;
        line-height: 1.7;
    }

    .invite-columns {
        margin-top: 26px;
    }

    .invite-meta {
        margin-top: 24px;
    }

    .invite-meta-item {
        padding: 16px;
        gap: 12px;
        align-items: center;
    }

    .invite-icon-wrap {
        width: 50px;
        height: 50px;
        border-radius: 16px;
    }

    .invite-meta-icon {
        width: 42px;
        height: 42px;
        border-radius: 14px;
    }

    .invite-meta-icon svg {
        width: 21px;
        height: 21px;
    }

    .invite-cta {
        width: 100%;
        min-height: 64px;
        padding: 16px 20px;
        font-size: 14px;
        text-align: center;
    }

    .invite-footer {
        padding: 18px 16px;
    }
}

@media (max-width: 560px) {
    .container {
        width: calc(100% - 20px);
    }

    .hero {
        padding-top: 18px;
        padding-bottom: 28px;
    }

    .hero-logo {
        width: min(100%, 220px);
        margin: 0 auto 18px;
    }

    .hero-title {
        margin: 18px 0 18px;
    }

    .hero-visual-mobile {
        min-height: 320px;
        margin: -10px 0 8px;
    }

    .hero-cta-mobile {
        min-height: 56px;
        margin-bottom: 16px;
        font-size: 13px;
        letter-spacing: 0.04em;
    }

    .hero-title-main {
        font-size: clamp(32px, 11.5vw, 44px);
        line-height: 0.9;
    }

    .hero-title-sub {
        font-size: 16px;
        line-height: 1.3;
    }

    .hero p.lead {
        font-size: 15px;
        line-height: 1.6;
    }

    .meta-card {
        padding: 14px 16px;
    }

    .hero-kicker {
        padding: 10px 12px;
        font-size: 10px;
        letter-spacing: 0.04em;
    }

    .meta-copy span {
        font-size: 12px;
    }

    .hero-visual {
        min-height: 360px;
        margin-top: -36px;
    }

    .hero-portrait-wrap {
        width: min(100%, 320px);
        transform: translateY(-42px);
    }

    .hero-rings {
        bottom: 8px;
        width: min(132%, 328px);
    }

    .hero-dots {
        display: none;
    }

    .hero-speaker-badge {
        min-width: min(100%, 240px);
        padding: 12px 14px;
    }

    .hero-speaker-badge strong {
        font-size: 12px;
    }

    .hero-speaker-badge span {
        font-size: 11px;
    }

    .signup-card,
    .specialist-shell,
    .invite-card {
        border-radius: 22px;
    }

    .signup-card {
        padding: 20px 14px;
    }

    .form-field input,
    .form-field select {
        min-height: 56px;
        padding: 15px 16px;
    }

    .signup-submit,
    .invite-cta {
        min-height: 58px;
        font-size: 13px;
        letter-spacing: 0.05em;
    }

    .learning-list {
        gap: 10px;
    }

    .learning-list li {
        min-height: 60px;
        padding: 12px 14px 12px 62px;
        font-size: 14px;
        line-height: 1.45;
    }

    .learning-list li::before {
        width: 34px;
        height: 34px;
        left: 14px;
    }

    .learning-list li::after {
        left: 27px;
    }

    .learning-image {
        min-height: 220px;
        border-radius: 22px;
    }

    .specialist-shell {
        padding: 20px 14px;
    }

    .specialist-image {
        width: min(100%, 144px);
    }

    .invite-section .container {
        width: calc(100% - 20px);
    }

    .invite-card {
        padding: 20px 14px;
    }

    .invite-logo {
        width: min(100%, 220px);
        margin-bottom: 6px;
    }

    .invite-column {
        padding: 16px 14px;
        border-radius: 18px;
    }

    .invite-icon-wrap {
        width: 44px;
        height: 44px;
        border-radius: 14px;
    }

    .invite-icon {
        width: 22px;
        height: 22px;
    }

    .invite-meta-item {
        padding: 14px;
        border-radius: 16px;
    }

    .invite-meta-item span {
        font-size: 13px;
    }

    .invite-meta-icon {
        width: 38px;
        height: 38px;
    }

    .invite-footer {
        padding: 16px 14px;
        border-radius: 18px;
    }
}

@media (max-width: 430px) {
    .hero-title {
        margin: 16px 0 16px;
    }

    .hero-title-main {
        font-size: clamp(30px, 10.2vw, 40px);
        letter-spacing: -0.04em;
    }

    .hero-title-sub {
        font-size: 15px;
        line-height: 1.28;
    }

    .hero p.lead {
        font-size: 14px;
        line-height: 1.58;
    }

    .meta-copy span {
        font-size: 11px;
    }
}