:root {
    --ink: #081325;
    --ink-soft: #31415f;
    --blue: #0d5cff;
    --blue-dark: #003fc7;
    --blue-soft: #eaf1ff;
    --sky: #f4f7fc;
    --white: #ffffff;
    --line: #dce5f4;
    --green: #16a36a;
    --shadow: 0 24px 70px rgba(19, 49, 105, .14);
    --radius-xl: 34px;
    --radius-lg: 24px;
    --radius-md: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background:
    radial-gradient(circle at 88% 8%, rgba(13, 92, 255, .13), transparent 28rem),
    radial-gradient(circle at 4% 50%, rgba(68, 141, 255, .08), transparent 25rem),
    var(--sky);
    font-family: Inter, Arial, Helvetica, sans-serif;
    line-height: 1.45;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }

.container {
    width: min(1280px, calc(100% - 40px));
    margin: 0 auto;
}

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 18px 0;
    backdrop-filter: blur(18px);
    background: rgba(244, 247, 252, .82);
    border-bottom: 1px solid rgba(220, 229, 244, .75);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -.04em;
}

.logo__mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: var(--white);
    background: linear-gradient(135deg, var(--blue), #69a0ff);
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(13, 92, 255, .28);
}

.logo__mark svg { width: 22px; height: 22px; }

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
    color: var(--ink-soft);
    font-size: 14px;
    font-weight: 700;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    padding: 0 22px;
    border: 0;
    border-radius: 15px;
    font-weight: 800;
    transition: .2s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn--primary {
    color: var(--white);
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    box-shadow: 0 14px 35px rgba(13, 92, 255, .28);
}
.btn--light {
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
}
.btn--ghost {
    min-height: 44px;
    padding: 0 16px;
    color: var(--ink);
    background: transparent;
}

.hero { padding: 72px 0 50px; }

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(350px, .72fr);
    gap: 44px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 13px;
    color: var(--blue-dark);
    background: var(--blue-soft);
    border: 1px solid #d4e2ff;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}

.eyebrow__dot {
    width: 8px;
    height: 8px;
    background: var(--blue);
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(13, 92, 255, .1);
}

h1 {
    max-width: 780px;
    margin: 24px 0 20px;
    font-size: clamp(46px, 6vw, 82px);
    line-height: .98;
    letter-spacing: -.065em;
}

.blue-text { color: var(--blue); }

.hero__lead {
    max-width: 720px;
    margin: 0 0 28px;
    color: var(--ink-soft);
    font-size: 20px;
}

.hero__search {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 760px;
    padding: 9px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.hero__search-icon {
    flex: 0 0 auto;
    width: 24px;
    height: 24px;
    margin-left: 10px;
    color: var(--blue);
}

.hero__search input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 13px 4px;
    border: 0;
    outline: 0;
    color: var(--ink);
    background: transparent;
    font-size: 16px;
}

.hero__examples {
    margin: 13px 0 0;
    color: #65738c;
    font-size: 13px;
}

.hero__examples button {
    padding: 0;
    color: var(--blue);
    background: none;
    border: 0;
    font-weight: 700;
}

.stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.stat {
    min-width: 170px;
    padding: 16px 18px;
    background: rgba(255,255,255,.72);
    border: 1px solid rgba(220,229,244,.9);
    border-radius: 18px;
}

.stat strong {
    display: block;
    font-size: 25px;
    letter-spacing: -.04em;
}

.stat span {
    color: #68758c;
    font-size: 12px;
    font-weight: 700;
}

.access-card {
    position: relative;
    overflow: hidden;
    padding: 30px;
    color: var(--white);
    background:
    linear-gradient(145deg, rgba(255,255,255,.09), transparent 35%),
    linear-gradient(150deg, #07162d 0%, #0c2f7d 65%, #0d5cff 120%);
    border-radius: var(--radius-xl);
    box-shadow: 0 35px 80px rgba(0, 35, 105, .3);
}

.access-card::before {
    content: "";
    position: absolute;
    inset: auto -80px -100px auto;
    width: 270px;
    height: 270px;
    background: rgba(255,255,255,.09);
    border-radius: 50%;
}

.access-card__label {
    display: inline-flex;
    padding: 7px 11px;
    background: rgba(255,255,255,.13);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.access-card h2 {
    margin: 26px 0 8px;
    font-size: 30px;
    line-height: 1.05;
    letter-spacing: -.04em;
}

.access-card__price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 24px 0;
}

.access-card__price strong {
    font-size: 48px;
    line-height: 1;
    letter-spacing: -.055em;
}

.access-card__price span { color: #c9dbff; }

.access-card ul {
    display: grid;
    gap: 12px;
    margin: 0 0 26px;
    padding: 0;
    list-style: none;
}

.access-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #e7efff;
    font-size: 14px;
}

.check {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    color: #0a4cdc;
    background: #fff;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 900;
}

.access-card .btn {
    position: relative;
    width: 100%;
    color: #092253;
    background: var(--white);
    box-shadow: none;
}

.access-card__guarantee {
    position: relative;
    display: flex;
    gap: 11px;
    margin-top: 18px;
    padding: 14px;
    background: rgba(255,255,255,.09);
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 16px;
    color: #dbe8ff;
    font-size: 12px;
}

.section { padding: 66px 0; }

.section__head {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: end;
    margin-bottom: 28px;
}

.section__head h2 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(34px, 4.5vw, 58px);
    line-height: 1.02;
    letter-spacing: -.055em;
}

.section__head p {
    max-width: 470px;
    margin: 0;
    color: var(--ink-soft);
}

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

.card {
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: 0 14px 35px rgba(19,49,105,.07);
}

.card__icon {
    display: grid;
    place-items: center;
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
    color: var(--blue);
    background: var(--blue-soft);
    border-radius: 16px;
    font-size: 24px;
}

.card h3 {
    margin: 0 0 9px;
    font-size: 18px;
}

.card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14px;
}

.steps-grid { grid-template-columns: repeat(3, 1fr); }

.step {
    position: relative;
    min-height: 225px;
}

.step__number {
    display: inline-flex;
    margin-bottom: 38px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .08em;
}

.step h3 {
    font-size: 23px;
    letter-spacing: -.03em;
}

.topics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.topic {
    padding: 11px 15px;
    color: #283a59;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.topic:hover {
    color: var(--blue);
    border-color: #aac6ff;
}

.guarantee {
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: 30px;
    align-items: center;
    padding: 42px;
    color: var(--white);
    background: linear-gradient(135deg, #07162d, #0b3287);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.guarantee__icon {
    display: grid;
    place-items: center;
    width: 165px;
    height: 165px;
    margin: auto;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 48px;
}

.guarantee__icon svg { width: 90px; height: 90px; }

.guarantee h2 {
    margin: 0 0 14px;
    font-size: 38px;
    line-height: 1.05;
    letter-spacing: -.04em;
}

.guarantee p {
    margin: 0 0 20px;
    color: #d2e1ff;
    font-size: 16px;
}

.guarantee__note {
    display: inline-flex;
    padding: 10px 13px;
    color: #0c3d9e;
    background: #fff;
    border-radius: 12px;
    font-weight: 900;
    font-size: 13px;
}

.faq {
    display: grid;
    gap: 10px;
}

details {
    padding: 20px 22px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
}

summary {
    cursor: pointer;
    font-weight: 800;
}

details p {
    margin: 13px 0 0;
    color: var(--ink-soft);
}

.cta {
    margin: 60px 0 30px;
    padding: 46px;
    text-align: center;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.cta h2 {
    max-width: 820px;
    margin: 0 auto 15px;
    font-size: clamp(35px, 5vw, 62px);
    line-height: 1;
    letter-spacing: -.055em;
}

.cta p {
    max-width: 650px;
    margin: 0 auto 25px;
    color: var(--ink-soft);
}

.footer {
    padding: 26px 0 40px;
    color: #6d788a;
    font-size: 13px;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid var(--line);
    padding-top: 25px;
}

@media (max-width: 980px) {
    .nav { display: none; }
    .hero__grid { grid-template-columns: 1fr; }
    .access-card { max-width: 650px; }
    .audience-grid { grid-template-columns: repeat(2, 1fr); }
    .guarantee { grid-template-columns: 1fr; }
    .guarantee__icon { margin: 0; }
}

@media (max-width: 640px) {
    .container { width: min(100% - 24px, 1180px); }
    .header__actions .btn--ghost { display: none; }
    .hero { padding-top: 42px; }
    h1 { font-size: 48px; }
    .hero__lead { font-size: 17px; }
    .hero__search { align-items: stretch; flex-wrap: wrap; }
    .hero__search .btn { width: 100%; }
    .audience-grid, .steps-grid { grid-template-columns: 1fr; }
    .section__head { align-items: start; flex-direction: column; }
    .guarantee { padding: 28px; }
    .cta { padding: 32px 20px; }
    .footer__inner { flex-direction: column; }
}