:root {
    --isg-font: 'Inter', sans-serif;
    --isg-primary: #19bfd6;
    --isg-primary-dark: #08142d;
    --isg-primary-mid: #0f2353;
    --isg-accent: #5b7cf3;
    --isg-ink: #0c1428;
    --isg-muted: #5b6c82;
    --isg-bg: #f4f7fb;
    --isg-surface: #ffffff;
    --isg-border: rgba(15, 31, 67, 0.08);
    --isg-card-glow: rgba(25, 191, 214, 0.16);
    --isg-gradient: linear-gradient(135deg, #19bfd6, #5b7cf3);
    --isg-soft-gradient: radial-gradient(circle at 20% 20%, rgba(25, 191, 214, 0.18), transparent 55%),
        radial-gradient(circle at 80% 0%, rgba(91, 124, 243, 0.22), transparent 60%);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body,
button,
input,
select,
textarea {
    margin: 0;
    font-family: var(--isg-font);
    color: var(--isg-ink);
}

body {
    background: var(--isg-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

a,
button,
.btn,
.isg-btn {
    text-decoration: none;
}

a {
    color: var(--isg-primary-mid);
    transition: color 0.2s ease;
}

a:hover,
a:focus-visible {
    color: var(--isg-ink);
}

body.isg-body--dark a {
    color: #e3f4ff;
}

body.isg-body--dark a:hover,
body.isg-body--dark a:focus-visible {
    color: #fff;
}

.isg-body {
    position: relative;
    min-height: 100vh;
    background: var(--isg-soft-gradient), var(--isg-bg);
}

.isg-body--dark {
    background: radial-gradient(circle at top left, rgba(25, 191, 214, 0.18), transparent 55%),
        linear-gradient(160deg, #050b1c 0%, #10193c 50%, #111a3c 100%);
    color: #f5f7fb;
}

.isg-body::after,
.isg-body--dark::after {
    content: '';
    position: fixed;
    inset: auto auto 10% 60%;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(91, 124, 243, 0.22), transparent 70%);
    filter: blur(10px);
    opacity: 0.65;
    pointer-events: none;
}

.isg-shell {
    width: min(1200px, 100%);
    margin: 0 auto;
    padding: 40px 28px;
}

.isg-card {
    border-radius: 26px;
    background: var(--isg-surface);
    border: 1px solid var(--isg-border);
    box-shadow: 0 30px 70px rgba(11, 24, 53, 0.08);
    padding: 28px;
    position: relative;
    overflow: hidden;
}

.isg-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(25, 191, 214, 0.12), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.isg-card:hover::after {
    opacity: 1;
}

.isg-card--glass {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 35px 90px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(18px);
}

.btn,
.isg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: var(--isg-surface);
    color: var(--isg-primary-mid);
    box-shadow: 0 12px 24px rgba(12, 31, 73, 0.14);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    letter-spacing: 0.01em;
    text-transform: none;
}

.btn::after,
.isg-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), transparent 65%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.btn:hover,
.btn:focus-visible,
.isg-btn:hover,
.isg-btn:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 18px 38px rgba(11, 24, 53, 0.2);
}

.btn:focus-visible,
.isg-btn:focus-visible {
    outline: 3px solid rgba(25, 191, 214, 0.4);
    outline-offset: 3px;
}

.btn:hover::after,
.btn:focus-visible::after,
.isg-btn:hover::after,
.isg-btn:focus-visible::after {
    opacity: 0.35;
}

.btn:disabled,
.isg-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-primary,
.isg-btn--primary {
    background: var(--isg-gradient);
    color: #fff;
    box-shadow: 0 24px 45px rgba(25, 191, 214, 0.35);
}

.btn-secondary {
    background: linear-gradient(135deg, #0b234d, #1c356a 65%, #2a4a91);
    color: #fff;
    box-shadow: 0 24px 45px rgba(11, 20, 41, 0.35);
}

.btn-success {
    background: linear-gradient(135deg, #0ea778, #06c167);
    color: #fff;
    box-shadow: 0 22px 40px rgba(6, 193, 103, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #d94645, #b42318);
    color: #fff;
    box-shadow: 0 22px 40px rgba(180, 35, 24, 0.25);
}

.btn-soft {
    background: rgba(25, 191, 214, 0.12);
    border-color: rgba(25, 191, 214, 0.2);
    color: var(--isg-primary-mid);
}

.btn-muted {
    background: rgba(9, 20, 46, 0.08);
    color: #0c1428;
}

.btn-outline,
.isg-btn--ghost {
    background: rgba(255, 255, 255, 0.9);
    border: 1.5px solid rgba(25, 191, 214, 0.5);
    color: var(--isg-primary-mid);
    box-shadow: none;
}

.btn-outline-dark {
    background: transparent;
    border: 1.5px solid rgba(11, 31, 64, 0.35);
    color: #0f1f3f;
}

.btn-outline-light {
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    color: #fff;
}

.btn-ghost {
    background: rgba(25, 191, 214, 0.14);
    color: #0b3a53;
    box-shadow: none;
}

.btn-dark {
    background: #0f2353;
    color: #fff;
    box-shadow: 0 20px 40px rgba(4, 8, 24, 0.35);
}

.btn-link {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    padding-inline: 0.5rem;
    color: var(--isg-primary-mid);
}

.btn-link:hover,
.btn-link:focus-visible {
    color: var(--isg-ink);
    text-decoration: none;
}

.btn-sm {
    padding: 0.55rem 1.25rem;
    font-size: 0.88rem;
}

.btn-lg {
    padding: 1rem 2.4rem;
    font-size: 1.05rem;
}

.btn-icon {
    padding: 0.65rem;
    width: 44px;
    height: 44px;
    border-radius: 18px;
}

.btn-full {
    width: 100%;
}

.btn-elevated {
    box-shadow: 0 26px 55px rgba(9, 22, 53, 0.25);
}

.btn:focus-visible,
.isg-btn:focus-visible {
    outline: 3px solid rgba(25, 191, 214, 0.35);
    outline-offset: 3px;
}

.pill,
.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 600;
    border: 1px solid rgba(25, 191, 214, 0.35);
    color: var(--isg-primary-mid);
}

.chip-soft {
    background: rgba(25, 191, 214, 0.12);
}

.isg-grid {
    display: grid;
    gap: 24px;
}

.isg-grid--two {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.isg-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(25, 191, 214, 0.12);
    color: var(--isg-primary-mid);
    font-size: 13px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.isg-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 32px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--isg-border);
    box-shadow: 0 20px 60px rgba(12, 22, 47, 0.1);
}

body.isg-body--dark .isg-nav {
    background: rgba(11, 22, 44, 0.7);
    border-color: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.isg-nav__links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.isg-nav a {
    font-weight: 600;
    color: inherit;
    opacity: 0.8;
}

.isg-nav a:hover,
.isg-nav a.is-active {
    opacity: 1;
}

.isg-hero {
    padding: 60px 0 30px;
}

.isg-hero__title {
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.1;
    margin-bottom: 16px;
}

.isg-hero__subtitle {
    max-width: 720px;
    font-size: 18px;
    color: var(--isg-muted);
    line-height: 1.6;
}

.isg-floating {
    animation: isgFloat 6s ease-in-out infinite;
}

@keyframes isgFloat {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-8px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes isgPulse {
    0% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.8;
    }

    100% {
        opacity: 0.3;
    }
}

.isg-pulse::after {
    content: '';
    position: absolute;
    inset: 15% auto auto 15%;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: var(--isg-card-glow);
    filter: blur(15px);
    animation: isgPulse 5s ease infinite;
}

.isg-divider {
    height: 1px;
    background: var(--isg-border);
    margin: 24px 0;
}

.isg-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.isg-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.isg-table th {
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--isg-muted);
}

.isg-table th,
.isg-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--isg-border);
}

.isg-table tr:hover {
    background: rgba(25, 191, 214, 0.05);
}

.isg-sidebar {
    border-radius: 28px;
    padding: 28px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--isg-border);
    box-shadow: 0 25px 65px rgba(10, 20, 40, 0.12);
}

body.isg-body--dark .isg-sidebar {
    background: rgba(12, 22, 42, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
}

.isg-chip {
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    background: rgba(91, 124, 243, 0.12);
    color: var(--isg-accent);
    font-weight: 600;
}

@media (max-width: 1024px) {
    .isg-shell {
        padding: 32px 18px;
    }

    .isg-nav {
        flex-direction: column;
        gap: 14px;
    }

    .isg-nav__links {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 640px) {
    .isg-shell {
        padding: 24px 16px;
    }

    .isg-card {
        padding: 22px;
    }

    .isg-nav {
        padding: 18px;
    }

    .isg-grid {
        gap: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 768px) {
    .isg-shell {
        padding: 24px 20px;
    }

    .isg-body::after,
    .isg-body--dark::after {
        width: 200px;
        height: 200px;
        filter: blur(40px);
    }

    .landing-section--hero h1 {
        font-size: 28px;
        /* Reduced from 32px */
        word-break: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }

    .landing-section--hero p {
        font-size: 16px;
    }

    .landing-actions {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

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