:root {
    --bg: #07090f;
    --bg-2: #0b1020;
    --surface: rgba(14, 20, 37, 0.72);
    --surface-strong: rgba(18, 25, 46, 0.92);
    --surface-soft: rgba(255, 255, 255, 0.04);
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);
    --text: #f5f7ff;
    --muted: #9aa4bf;
    --primary: #7c6cff;
    --primary-2: #48cfff;
    --primary-3: #a855f7;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.35);
    --shadow-xl: 0 40px 120px rgba(0, 0, 0, 0.5);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --container: 1240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(124,108,255,0.18), transparent 30%),
        radial-gradient(circle at 80% 10%, rgba(72,207,255,0.12), transparent 26%),
        linear-gradient(180deg, #06070c 0%, #0a0f1c 45%, #06070c 100%);
    color: var(--text);
    line-height: 1.55;
    overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

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

.noise,
.aurora,
.grid-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -2;
}

.noise {
    opacity: 0.05;
    background-image: radial-gradient(rgba(255,255,255,0.55) 0.5px, transparent 0.7px);
    background-size: 8px 8px;
}

.aurora {
    filter: blur(120px);
}

.aurora-1 {
    background: radial-gradient(circle at 20% 20%, rgba(124,108,255,0.3), transparent 38%);
}

.aurora-2 {
    background: radial-gradient(circle at 80% 25%, rgba(72,207,255,0.18), transparent 30%);
}

.grid-glow {
    background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: radial-gradient(circle at center, black 38%, transparent 88%);
    opacity: 0.5;
}

.glass-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.035));
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 60;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    background: rgba(7, 9, 15, 0.6);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-container,
.nav-links,
.nav-actions,
.hero-actions,
.hero-proof,
.brand-strip-inner,
.tag-row,
.subject-meta,
.pricing-topbar,
.form-row,
.tip-buttons,
.footer-inner,
.footer-social,
.contact-points div,
.bullet-card {
    display: flex;
    align-items: center;
}

.nav-container {
    min-height: 80px;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    font-size: 1.7rem;
    font-weight: 900;
    letter-spacing: -0.06em;
}
.logo span,
.hero h1 span {
    background: linear-gradient(135deg, #ffffff, #b9c4ff 30%, #78d5ff 70%, #b77cff 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.nav-links { gap: 28px; }
.nav-links a,
.nav-pill {
    color: var(--muted);
    font-weight: 600;
}
.nav-links a:hover,
.nav-pill:hover { color: #fff; }

.nav-pill,
.nav-cta,
.eyebrow,
.section-label,
.subject-badge,
.topbar-badge,
.featured-plan-badge,
.plan-line,
.mini-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
}

.nav-actions { gap: 12px; }
.nav-pill {
    padding: 10px 16px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.04);
}
.nav-cta {
    padding: 12px 18px;
    font-weight: 700;
    color: #0b1020;
    background: linear-gradient(135deg, #fff, #cde8ff);
    box-shadow: 0 14px 30px rgba(255,255,255,0.12);
}

.mobile-menu-btn {
    display: none;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.05);
    color: #fff;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 12px;
    width: min(var(--container), calc(100% - 40px));
    margin: 10px auto 0;
    padding: 18px;
    border-radius: 20px;
    background: rgba(12, 16, 28, 0.94);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
}
.mobile-menu.open { display: flex; }

.hero { padding: 76px 0 54px; }
.hero-grid,
.split-layout,
.contact-shell {
    display: grid;
    grid-template-columns: 1.02fr .98fr;
    gap: 52px;
    align-items: center;
}

.eyebrow,
.section-label,
.subject-badge,
.topbar-badge,
.featured-plan-badge,
.plan-line,
.mini-label {
    font-weight: 700;
}

.eyebrow,
.section-label,
.mini-label {
    color: #d7ddff;
    background: rgba(124,108,255,0.14);
    border: 1px solid rgba(124,108,255,0.2);
}

.eyebrow,
.section-label { padding: 10px 14px; }
.mini-label,
.plan-line,
.subject-badge,
.topbar-badge,
.featured-plan-badge { padding: 8px 12px; font-size: 0.82rem; }

.hero h1 {
    margin-top: 18px;
    font-size: clamp(3rem, 6vw, 5.8rem);
    line-height: 0.94;
    letter-spacing: -0.08em;
    font-weight: 900;
    max-width: 10.4ch;
}

.hero-text,
.section-head p,
.section-copy p,
.value-card p,
.subject-card p,
.price-caption,
.testimonial p,
.contact-copy p,
.bullet-card p,
.proof-item span,
.brand-strip-inner span,
.contact-points,
.alert,
label,
input,
textarea,
select,
small {
    color: var(--muted);
}

.hero-text {
    max-width: 620px;
    margin-top: 22px;
    font-size: 1.12rem;
}

.hero-actions { gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.btn {
    min-height: 56px;
    padding: 14px 22px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 700;
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease, background .28s ease;
}
.btn:hover,
.glass-card:hover,
.price-card:hover,
.hero-visual:hover { transform: translateY(-4px); }

.btn-primary {
    color: #08101e;
    background: linear-gradient(135deg, #ffffff 0%, #cde6ff 34%, #9c9cff 100%);
    box-shadow: 0 20px 40px rgba(157, 197, 255, 0.18);
}
.btn-secondary {
    color: #fff;
    border: 1px solid var(--line-strong);
    background: rgba(255,255,255,0.045);
}
.full { width: 100%; }

.hero-proof {
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.proof-item {
    min-width: 150px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
}
.proof-item strong {
    display: block;
    font-size: 1.3rem;
    color: #fff;
}

.hero-visual {
    position: relative;
    border-radius: var(--radius-xl);
    padding: 18px;
    overflow: hidden;
}
.hero-image-shell {
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    min-height: 620px;
}
.hero-image-shell img {
    width: 100%;
    height: 620px;
    object-fit: cover;
}
.image-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6,8,14,0.7), transparent 42%), linear-gradient(to right, rgba(124,108,255,0.14), transparent 50%);
}
.floating-metric {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(10, 16, 29, 0.82);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(16px);
    animation: floatY 6s ease-in-out infinite;
}
.top-card { top: 42px; left: -20px; }
.bottom-card { right: -18px; bottom: 38px; animation-delay: 1.2s; }
.metric-icon {
    width: 42px; height: 42px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, rgba(124,108,255,0.9), rgba(72,207,255,0.85));
}
.floating-metric strong { display: block; color: #fff; }
.floating-metric small { color: #c0c8df; }

.brand-strip { padding-bottom: 10px; }
.brand-strip-inner {
    justify-content: center;
    gap: 18px;
    padding: 18px 24px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255,255,255,0.03);
}
.brand-strip-inner p { color: #d6def9; font-weight: 600; }

.section { padding: 96px 0; }
.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 42px;
}
.section-head h2,
.section-copy h2,
.contact-copy h2 {
    margin-top: 16px;
    font-size: clamp(2.1rem, 4vw, 4rem);
    line-height: 1.02;
    letter-spacing: -0.06em;
}

.bullet-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 28px;
}
.bullet-card {
    gap: 14px;
    padding: 20px;
    border-radius: 22px;
}
.bullet-card i,
.icon-box,
.comparison-row i.fa-check,
.stars {
    color: #fff;
}
.bullet-card i,
.icon-box {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
}
.bullet-card i {
    width: 42px; height: 42px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
}
.bullet-card strong,
.value-card h3,
.subject-card h3,
.price-card h3,
.testimonial span,
.contact-points div,
label { color: #fff; }

.value-stack {
    display: grid;
    gap: 18px;
}
.value-card {
    padding: 30px;
    border-radius: 28px;
}
.value-main { transform: rotate(-1.2deg); }
.quote-card { transform: rotate(1deg); }
.tag-row { flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tag-row span,
.subject-meta span {
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
    color: #d6ddf6;
    font-size: 0.88rem;
}

.subjects-grid,
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.subject-card,
.testimonial,
.price-card {
    border-radius: 28px;
}
.subject-card {
    padding: 28px;
}
.icon-box {
    width: 54px; height: 54px; border-radius: 18px;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 12px 30px rgba(124,108,255,0.24);
}
.subject-card p { min-height: 72px; }
.subject-meta { justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.featured-subject {
    position: relative;
    border: 1px solid rgba(124,108,255,0.35);
    background: linear-gradient(180deg, rgba(124,108,255,0.14), rgba(255,255,255,0.04));
}
.subject-badge,
.featured-plan-badge,
.topbar-badge {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-3));
    box-shadow: 0 10px 24px rgba(124,108,255,0.22);
}

.pricing-shell {
    padding: 26px;
    border-radius: 34px;
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.025));
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-xl);
}
.pricing-topbar {
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 22px;
}
.pricing-topbar p { color: #dbe3ff; font-weight: 600; }
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.price-card {
    position: relative;
    padding: 28px;
    background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.035));
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-lg);
}
.plan-line {
    color: #d6dcff;
    background: rgba(124,108,255,0.12);
    border: 1px solid rgba(124,108,255,0.22);
}
.price-value {
    margin-top: 20px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 900;
    letter-spacing: -0.06em;
    color: #fff;
}
.price-caption { margin-top: 6px; }
.price-card ul {
    list-style: none;
    margin-top: 22px;
    display: grid;
    gap: 12px;
}
.price-card li {
    color: #d7def6;
    padding-left: 18px;
    position: relative;
}
.price-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
}
.featured-plan {
    border-color: rgba(124,108,255,0.28);
    background: linear-gradient(180deg, rgba(124,108,255,0.16), rgba(255,255,255,0.05));
}
.featured-plan-badge {
    position: absolute;
    top: 18px;
    right: 18px;
}
.comparison-table {
    margin-top: 18px;
    overflow: hidden;
    border-radius: 24px;
}
.comparison-row {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 12px;
    align-items: center;
    padding: 16px 18px;
    border-top: 1px solid rgba(255,255,255,0.07);
}
.comparison-row:first-child { border-top: none; }
.comparison-head {
    color: #fff;
    font-weight: 700;
    background: rgba(255,255,255,0.05);
}

.testimonial-grid { grid-template-columns: repeat(3, 1fr); }
.testimonial { padding: 28px; }
.stars { letter-spacing: 2px; }
.testimonial p { margin: 14px 0 18px; }

.contact-shell {
    padding: 34px;
    border-radius: 34px;
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-xl);
}
.section-label.light {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.1);
}
.contact-points {
    margin-top: 26px;
    display: grid;
    gap: 14px;
}
.contact-points i { color: #cfe6ff; margin-right: 10px; }
.form-card { padding: 28px; border-radius: 28px; }
.form-row {
    gap: 14px;
    align-items: stretch;
}
.form-group { margin-bottom: 16px; width: 100%; }
label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
    font-weight: 600;
}
input,
textarea,
select {
    width: 100%;
    padding: 15px 16px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    outline: none;
}
input:focus,
textarea:focus,
select:focus {
    border-color: rgba(124,108,255,0.5);
    box-shadow: 0 0 0 4px rgba(124,108,255,0.12);
}
select {
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23cfd6ee' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat;
    background-position: right 16px center;
}
textarea { resize: vertical; }
.premium-box {
    padding: 16px;
    border-radius: 20px;
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.08);
}
.tip-buttons { gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.tip-btn {
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    color: #e6ebff;
    cursor: pointer;
    transition: all .22s ease;
}
.tip-btn:hover,
.tip-btn.active {
    background: linear-gradient(135deg, rgba(124,108,255,0.22), rgba(72,207,255,0.16));
    border-color: rgba(124,108,255,0.28);
}
.alert {
    padding: 14px 16px;
    border-radius: 16px;
    margin-bottom: 16px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
}
.alert.success {
    color: #d9ffe7;
    border-color: rgba(34,197,94,0.28);
    background: rgba(34,197,94,0.1);
}
.alert.error {
    color: #ffd8d8;
    border-color: rgba(239,68,68,0.28);
    background: rgba(239,68,68,0.1);
}

.footer {
    padding: 30px 0 40px;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}
.footer-social { gap: 18px; }
.footer-social a {
    color: #d6def6;
    width: 38px; height: 38px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.07);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .8s ease, transform .8s ease;
}
.reveal-right { transform: translateX(36px); }
.reveal-scale { transform: scale(.96); }
.reveal.revealed {
    opacity: 1;
    transform: none;
}

@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (max-width: 1100px) {
    .subjects-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
}

@media (max-width: 920px) {
    .nav-links,
    .nav-pill,
    .nav-cta { display: none; }
    .mobile-menu-btn { display: inline-flex; align-items: center; justify-content: center; }
    .hero-grid,
    .split-layout,
    .contact-shell {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-image-shell,
    .hero-image-shell img { height: 520px; min-height: 520px; }
    .floating-metric { position: static; margin-top: 14px; }
    .brand-strip-inner,
    .pricing-topbar,
    .footer-inner { justify-content: flex-start; }
}

@media (max-width: 640px) {
    .container { width: min(var(--container), calc(100% - 28px)); }
    .hero { padding-top: 52px; }
    .hero h1 { max-width: none; }
    .subjects-grid,
    .bullet-grid,
    .form-row { grid-template-columns: 1fr; display: grid; }
    .comparison-row {
        grid-template-columns: 1.5fr repeat(3, .7fr);
        font-size: 0.88rem;
    }
    .hero-image-shell,
    .hero-image-shell img { height: 420px; min-height: 420px; }
    .price-card,
    .subject-card,
    .testimonial,
    .form-card,
    .value-card,
    .contact-shell,
    .pricing-shell { padding: 22px; }
}