:root {
    --is-bg: #030712;
    --is-surface: #0f172a;
    --is-surface-2: #1e293b;
    --is-border: rgba(148, 163, 184, 0.18);
    --is-text: #f8fafc;
    --is-muted: #94a3b8;
    --is-primary: #38bdf8;
    --is-primary-2: #818cf8;
    --is-accent: #22d3ee;
    --is-success: #34d399;
    --is-glow: rgba(56, 189, 248, 0.35);
    --is-font: 'Cairo', 'Segoe UI', system-ui, sans-serif;
}

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

html {
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100%;
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

body.is-landing {
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    font-family: var(--is-font);
    background: var(--is-bg);
    color: var(--is-text);
    overflow-x: clip;
    position: relative;
}

body.is-landing.is-loading {
    overflow: hidden;
}

/* Page loader — navbar logo */
.is-page-loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    background: var(--is-bg);
    transition: opacity 0.4s ease, visibility 0.4s;
}

.is-page-loader--hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.is-page-loader-logo {
    max-width: 120px;
    height: auto;
    max-height: 50px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    animation: is-loader-pulse 1.2s ease-in-out infinite;
}

@keyframes is-loader-pulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .is-page-loader-logo {
        animation: none;
        opacity: 1;
    }
}

.is-page {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
}

.is-noise {
    pointer-events: none;
    position: fixed;
    inset: 0;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    z-index: 0;
}

.is-bg-effects {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    pointer-events: none;
    z-index: 0;
}

.is-gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    pointer-events: none;
    will-change: transform;
}

.is-gradient-orb--1 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, #38bdf8 0%, transparent 70%);
    top: -12%;
    left: -10%;
    right: auto;
    bottom: auto;
    animation: is-orb-drift-1 22s ease-in-out infinite;
}

.is-gradient-orb--2 {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, #818cf8 0%, transparent 70%);
    top: 62%;
    left: 72%;
    right: auto;
    bottom: auto;
    animation: is-orb-drift-2 26s ease-in-out infinite;
    animation-delay: -9s;
}

/* Drift across the full viewport (vw/vh) */
@keyframes is-orb-drift-1 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    20% {
        transform: translate(72vw, 20vh) scale(1.06);
    }
    40% {
        transform: translate(42vw, 68vh) scale(1.1);
    }
    60% {
        transform: translate(88vw, 42vh) scale(1.05);
    }
    80% {
        transform: translate(18vw, 82vh) scale(1.08);
    }
}

@keyframes is-orb-drift-2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(-68vw, -38vh) scale(1.07);
    }
    50% {
        transform: translate(-38vw, 28vh) scale(1.04);
    }
    75% {
        transform: translate(-78vw, -12vh) scale(1.09);
    }
}

@media (prefers-reduced-motion: reduce) {
    .is-gradient-orb--1,
    .is-gradient-orb--2 {
        animation: none;
    }
}

.is-container {
    width: min(1140px, calc(100vw - 2rem));
    max-width: 100%;
    margin-inline: auto;
    padding-inline: 0;
}

.is-nav {
    position: fixed;
    top: 0;
    inset-inline: 0;
    z-index: 50;
    padding: 1rem 0;
    transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}

.is-nav.is-scrolled {
    background: rgba(3, 7, 18, 0.82);
    backdrop-filter: blur(14px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    border-bottom: 1px solid var(--is-border);
}

.is-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.is-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--is-text);
    font-weight: 700;
    font-size: 1.15rem;
}

.is-logo-img {
    max-width: 120px;
    height: 50px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    filter: brightness(0) invert(1);
}

@media (max-width: 480px) {
    .is-logo-img {
        max-width: 100px;
        height: 44px;
    }
}

.is-nav-links {
    display: none;
    align-items: center;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .is-nav-links { display: flex; }
}

.is-nav-links a {
    color: var(--is-muted);
    text-decoration: none;
    font-size: 0.92rem;
    transition: color 0.2s;
}

.is-nav-links a:hover:not(.is-nav-login) { color: var(--is-text); }

.is-nav-links a.is-nav-login,
.is-mobile-menu a.is-nav-login {
    color: #000;
}

.is-nav-links a.is-nav-login:hover,
.is-mobile-menu a.is-nav-login:hover {
    color: #000;
}

.is-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.72rem 1.35rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.is-btn:active { transform: scale(0.98); }

.is-btn-primary {
    background: linear-gradient(135deg, var(--is-primary), var(--is-primary-2));
    color: #0f172a;
    box-shadow: 0 8px 28px var(--is-glow);
}

.is-btn-primary:hover {
    box-shadow: 0 12px 36px var(--is-glow);
}

.is-btn-ghost {
    background: transparent;
    color: var(--is-text);
    border: 1px solid var(--is-border);
}

.is-btn-ghost:hover {
    border-color: var(--is-primary);
    color: var(--is-primary);
}

.is-hero {
    position: relative;
    padding: 8rem 0 5rem;
    min-height: 92vh;
    display: flex;
    align-items: center;
}

.is-hero-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 992px) {
    .is-hero-grid {
        grid-template-columns: 1.05fr 0.95fr;
    }
}

.is-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
    color: var(--is-accent);
    font-size: 0.82rem;
    margin-bottom: 1rem;
}

.is-hero h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.2;
    margin: 0 0 1rem;
    font-weight: 800;
}

.is-gradient-text {
    background: linear-gradient(90deg, var(--is-primary), var(--is-accent), var(--is-primary-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.is-hero-lead {
    color: var(--is-muted);
    font-size: 1.05rem;
    line-height: 1.75;
    max-width: 34rem;
    margin-bottom: 1.75rem;
}

.is-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.is-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.is-stat {
    padding: 0.85rem 1.1rem;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--is-border);
    min-width: 120px;
}

.is-stat strong {
    display: block;
    font-size: 1.35rem;
    color: var(--is-primary);
}

.is-stat span {
    font-size: 0.78rem;
    color: var(--is-muted);
}

.is-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.is-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.is-section {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}

.is-section-alt {
    background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.55), transparent);
}

.is-section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
}

.is-section-tag {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--is-accent);
    margin-bottom: 0.5rem;
}

.is-section-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin: 0 0 0.75rem;
}

.is-section-header p {
    color: var(--is-muted);
    line-height: 1.7;
    margin: 0;
}

.is-feature-row {
    display: grid;
    gap: 2.5rem;
    align-items: center;
    margin-bottom: 4rem;
}

.is-feature-row:last-child { margin-bottom: 0; }

@media (min-width: 992px) {
    .is-feature-row {
        grid-template-columns: 1fr 1fr;
        gap: 3.5rem;
    }
    .is-feature-row.is-reverse .is-feature-copy { order: 2; }
    .is-feature-row.is-reverse .is-media-wrap { order: 1; }
}

.is-feature-copy h3 {
    font-size: 1.65rem;
    margin: 0 0 0.75rem;
}

.is-feature-copy > p {
    color: var(--is-muted);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.is-check-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.65rem;
}

.is-check-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.95rem;
    color: #cbd5e1;
}

.is-check-list li svg {
    flex-shrink: 0;
    color: var(--is-success);
    margin-top: 2px;
}

.is-media-wrap {
    position: relative;
    width: 100%;
    min-width: 0;
}

.is-media-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--is-border);
    background: var(--is-surface);
    aspect-ratio: 16 / 10;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.is-media-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.08), rgba(129, 140, 248, 0.08));
    z-index: 1;
    pointer-events: none;
}

.is-media-frame video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.is-media-frame--pdf {
    position: relative;
    aspect-ratio: 16 / 10;
    min-height: 300px;
    width: 100%;
    background: #f1f5f9;
}

.is-media-frame--pdf::before {
    z-index: 0;
}

.is-pdf-viewport {
    position: absolute;
    inset: 0;
    z-index: 2;
    overflow: hidden;
    background: #fff;
}

.is-pdf-embed {
    display: block;
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    border: 0;
    background: #fff;
}

.is-pdf-open-link {
    position: absolute;
    z-index: 4;
    bottom: 0.75rem;
    inset-inline-end: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    margin: 0;
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--is-border);
    background: rgba(15, 23, 42, 0.85);
    color: var(--is-text);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.is-pdf-open-link:hover {
    border-color: var(--is-primary);
    background: var(--is-surface-2);
    color: var(--is-text);
}

.is-media-placeholder--pdf .is-pdf-upload-path {
    display: inline-block;
    margin-top: 0.35rem;
    font-family: ui-monospace, monospace;
    font-size: 0.72rem;
    color: var(--is-muted);
}

.is-media-img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 100%;
}

.is-media-frame--hero {
    aspect-ratio: auto;
    min-height: 300px;
    background: linear-gradient(165deg, #f8fafc 0%, #e8eef4 55%, #dfe7f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    overflow: hidden;
}

.is-media-frame--hero::before {
    display: none;
}

.is-media-frame--hero .is-media-preview-trigger {
    flex: 1;
    align-self: stretch;
    width: 100%;
    min-height: 280px;
}

.is-media-frame--hero .is-media-img {
    width: auto;
    max-width: 100%;
    max-height: min(480px, 70vh);
    height: auto;
    border-radius: 14px;
    box-shadow:
        0 20px 50px rgba(15, 23, 42, 0.2),
        0 0 0 1px rgba(148, 163, 184, 0.25);
}

.is-media-preview-trigger {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: inherit;
    padding: 0;
    border: none;
    background: transparent;
    cursor: zoom-in;
    font-family: inherit;
}

.is-media-preview-hint {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(3, 7, 18, 0.82);
    border: 1px solid var(--is-border);
    color: var(--is-text);
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
    white-space: nowrap;
}

.is-media-preview-trigger:hover .is-media-preview-hint,
.is-media-preview-trigger:focus-visible .is-media-preview-hint {
    opacity: 1;
}

.is-media-wrap--previewable .is-media-frame {
    transition: border-color 0.25s, box-shadow 0.25s;
}

.is-media-wrap--previewable .is-media-badge {
    pointer-events: none;
}

.is-media-wrap--previewable .is-media-frame:hover {
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: 0 24px 64px rgba(56, 189, 248, 0.15);
}

.is-media-preview-trigger .is-media-img {
    pointer-events: none;
}

/* Image preview — native <dialog> */
.is-image-dialog {
    width: min(1100px, 96vw);
    max-width: 96vw;
    max-height: 92vh;
    margin: auto;
    padding: 1.25rem;
    border: 1px solid var(--is-border);
    border-radius: 20px;
    background: var(--is-surface);
    color: var(--is-text);
    overflow: visible;
}

.is-image-dialog::backdrop {
    background: rgba(3, 7, 18, 0.88);
    backdrop-filter: blur(8px);
}

.is-image-dialog-close-form {
    position: absolute;
    top: 0.75rem;
    inset-inline-end: 0.75rem;
    margin: 0;
    padding: 0;
}

.is-image-dialog-close {
    width: 44px;
    height: 44px;
    border: 1px solid var(--is-border);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.9);
    color: var(--is-text);
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    display: grid;
    place-items: center;
}

.is-image-dialog-close:hover {
    border-color: var(--is-primary);
    background: var(--is-surface-2);
}

.is-image-dialog-title {
    margin: 0 0 0.75rem;
    padding-inline-end: 3rem;
    font-size: 0.9rem;
    color: var(--is-muted);
}

.is-image-dialog-body {
    overflow: auto;
    max-height: calc(92vh - 5rem);
    border-radius: 14px;
    border: 1px solid var(--is-border);
    background: #f8fafc;
    padding: 0.5rem;
}

.is-image-dialog-img {
    display: block;
    width: 100%;
    height: auto;
    max-height: calc(85vh - 4rem);
    margin: 0 auto;
    border-radius: 10px;
}

.is-media-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    text-align: center;
    z-index: 2;
}

.is-media-skeleton {
    width: 72%;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--is-surface-2) 25%, #334155 50%, var(--is-surface-2) 75%);
    background-size: 200% 100%;
    animation: is-shimmer 1.4s ease-in-out infinite;
}

.is-media-skeleton:nth-child(2) { width: 55%; animation-delay: 0.15s; }
.is-media-skeleton:nth-child(3) { width: 40%; animation-delay: 0.3s; }

@keyframes is-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.is-media-placeholder p {
    color: var(--is-muted);
    font-size: 0.88rem;
    margin: 0;
    max-width: 280px;
}

.is-media-badge {
    position: absolute;
    top: 1rem;
    inset-inline-start: 1rem;
    z-index: 3;
    padding: 0.35rem 0.7rem;
    border-radius: 8px;
    font-size: 0.75rem;
    background: rgba(3, 7, 18, 0.75);
    border: 1px solid var(--is-border);
    color: var(--is-accent);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.is-mindmap {
    aspect-ratio: 16 / 10;
    border-radius: 20px;
    border: 1px solid var(--is-border);
    background: radial-gradient(circle at 50% 45%, rgba(56, 189, 248, 0.15), transparent 55%), var(--is-surface);
    position: relative;
    overflow: hidden;
}

.is-mindmap-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--is-primary), var(--is-primary-2));
    display: grid;
    place-items: center;
    box-shadow: 0 0 40px var(--is-glow);
    font-weight: 700;
    font-size: 0.75rem;
    text-align: center;
    z-index: 2;
}

.is-mindmap-node {
    position: absolute;
    padding: 0.5rem 0.75rem;
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--is-border);
    font-size: 0.72rem;
    color: #e2e8f0;
    animation: is-pulse-node 3s ease-in-out infinite;
}

.is-mindmap-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--is-primary), transparent);
    transform-origin: left center;
    opacity: 0.5;
}

@keyframes is-pulse-node {
    0%, 100% { box-shadow: 0 0 0 rgba(56, 189, 248, 0); }
    50% { box-shadow: 0 0 16px rgba(56, 189, 248, 0.25); }
}

.is-security-grid {
    display: grid;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .is-security-grid { grid-template-columns: repeat(2, 1fr); }
}

.is-card {
    padding: 1.5rem;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid var(--is-border);
    transition: border-color 0.25s, transform 0.25s;
}

.is-card:hover {
    border-color: rgba(56, 189, 248, 0.4);
    transform: translateY(-4px);
}

.is-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(56, 189, 248, 0.12);
    display: grid;
    place-items: center;
    margin-bottom: 1rem;
    color: var(--is-primary);
}

.is-cta {
    padding: 4rem 0 6rem;
}

.is-cta-box {
    text-align: center;
    padding: 3rem 2rem;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.12), rgba(129, 140, 248, 0.12));
    border: 1px solid var(--is-border);
}

.is-cta-box h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.is-cta-box p {
    color: var(--is-muted);
    margin-bottom: 1.5rem;
}

.is-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--is-border);
    text-align: center;
    color: var(--is-muted);
    font-size: 0.85rem;
}

.is-mobile-toggle {
    display: flex;
    background: transparent;
    border: 1px solid var(--is-border);
    color: var(--is-text);
    border-radius: 10px;
    padding: 0.5rem;
    cursor: pointer;
}

@media (min-width: 768px) {
    .is-mobile-toggle { display: none; }
}

.is-mobile-menu {
    display: none;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem 0;
}

.is-mobile-menu.is-open { display: flex; }

.is-counter {
    font-variant-numeric: tabular-nums;
}

/* ─── Workflow cycles — عمودي + سلايدر خطوات ─── */
.is-section-cycles {
    padding-top: 4rem;
}

.is-cycles-stack {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.is-cycle-block {
    border-radius: 24px;
    border: 1px solid var(--is-border);
    background: rgba(15, 23, 42, 0.55);
    padding: 1.35rem;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) {
    .is-cycle-block { padding: 1.75rem 2rem; }
}

.is-cycle-block-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--is-border);
}

.is-cycle-block-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--cycle-accent, var(--is-primary)) 18%, transparent);
    color: var(--cycle-accent, var(--is-primary));
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.is-cycle-block-title {
    margin: 0;
    font-size: 1.35rem;
}

.is-cycle-block-meta {
    margin: 0.25rem 0 0;
    font-size: 0.82rem;
    color: var(--is-muted);
}

.is-step-slider {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.is-step-caption {
    margin-bottom: 1rem;
    padding: 1rem 1.15rem;
    border-radius: 14px;
    background: color-mix(in srgb, var(--cycle-accent, var(--is-primary)) 8%, rgba(3, 7, 18, 0.6));
    border: 1px solid color-mix(in srgb, var(--cycle-accent, var(--is-primary)) 22%, transparent);
    transition: opacity 0.35s ease;
}

.is-step-caption.is-caption-fade {
    opacity: 0.35;
}

.is-step-caption-num {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cycle-accent, var(--is-accent));
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.is-step-caption-title {
    margin: 0 0 0.4rem;
    font-size: 1.15rem;
    line-height: 1.35;
}

.is-step-caption-desc {
    margin: 0;
    color: var(--is-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

.is-step-slider-viewport {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--is-border);
    background: #000;
}

.is-step-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--is-border);
    background: rgba(3, 7, 18, 0.75);
    color: var(--is-text);
    display: grid;
    place-items: center;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.is-step-nav:hover {
    background: color-mix(in srgb, var(--cycle-accent, var(--is-primary)) 35%, rgba(3, 7, 18, 0.9));
    border-color: var(--cycle-accent, var(--is-primary));
}

.is-step-nav--prev {
    inset-inline-start: 0.75rem;
}

.is-step-nav--next {
    inset-inline-end: 0.75rem;
}

.is-step-controls {
    margin-top: 0.85rem;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    background: rgba(3, 7, 18, 0.55);
    border: 1px solid var(--is-border);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .is-step-controls {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
    }
}

.is-step-controls.is-controls-disabled {
    opacity: 0.55;
    pointer-events: none;
}

.is-step-controls-nav {
    display: flex;
    gap: 0.5rem;
}

.is-step-ctrl-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    border-radius: 10px;
    border: 1px solid var(--is-border);
    background: var(--is-surface);
    color: var(--is-text);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.is-step-ctrl-btn:hover {
    border-color: var(--cycle-accent, var(--is-primary));
    background: color-mix(in srgb, var(--cycle-accent, var(--is-primary)) 12%, var(--is-surface));
}

.is-step-controls-media {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex: 1;
    min-width: 0;
}

@media (min-width: 768px) {
    .is-step-controls-media {
        max-width: 520px;
        margin-inline-start: auto;
    }
}

.is-step-ctrl-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border: none;
    border-radius: 10px;
    background: var(--is-surface-2);
    color: var(--is-text);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.is-step-ctrl-icon:hover {
    background: color-mix(in srgb, var(--cycle-accent, var(--is-primary)) 25%, var(--is-surface-2));
    color: var(--cycle-accent, var(--is-primary));
}

.is-step-ctrl-icon [hidden] {
    display: none !important;
}

.is-step-time {
    font-size: 0.78rem;
    color: var(--is-muted);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
    min-width: 5.5rem;
}

.is-step-seek {
    flex: 1;
    min-width: 80px;
    height: 6px;
    accent-color: var(--cycle-accent, var(--is-primary));
    cursor: pointer;
}

.is-step-slider-track {
    position: relative;
    aspect-ratio: 16 / 9;
}

.is-step-slide {
    position: absolute;
    inset: 0;
    animation: is-step-enter 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.is-step-slide[hidden] {
    display: none !important;
}

@keyframes is-step-enter {
    from {
        opacity: 0;
        transform: translateX(12px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

html[dir="rtl"] .is-step-slide {
    animation-name: is-step-enter-rtl;
}

@keyframes is-step-enter-rtl {
    from {
        opacity: 0;
        transform: translateX(-12px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.is-step-player {
    width: 100%;
    height: 100%;
}

.is-step-video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    background: #000;
}

.is-step-player-placeholder {
    width: 100%;
    height: 100%;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    background: linear-gradient(160deg, var(--is-surface) 0%, var(--is-bg) 100%);
}

.is-step-player-file {
    margin: 0;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--is-text);
}

.is-step-player-hint {
    margin: 0;
    font-size: 0.8rem;
    color: var(--is-muted);
}

.is-step-slider-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
}

.is-step-dots {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.is-step-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--is-surface-2);
    cursor: pointer;
    transition: transform 0.2s, background 0.2s, width 0.2s;
}

.is-step-dot:hover {
    background: var(--is-muted);
}

.is-step-dot.is-active {
    width: 28px;
    border-radius: 6px;
    background: var(--cycle-accent, var(--is-primary));
}

.is-step-progress {
    font-size: 0.8rem;
    color: var(--is-muted);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

@keyframes is-cycle-fade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.is-cycle-cta-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1rem;
    color: var(--is-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.is-cycle-cta-link:hover {
    text-decoration: underline;
}

/* Pricing */
.is-section-pricing {
    position: relative;
}

.is-pricing-grid {
    display: grid;
    gap: 1.5rem;
    align-items: stretch;
}

@media (min-width: 900px) {
    .is-pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.25rem;
        align-items: center;
    }
}

.is-pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.75rem 1.5rem 1.5rem;
    border-radius: 22px;
    border: 1px solid var(--is-border);
    background:
        linear-gradient(165deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 100%);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    transition: transform 0.3s ease, border-color 0.3s, box-shadow 0.3s;
    --pricing-accent: var(--is-primary);
}

.is-pricing-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(145deg, color-mix(in srgb, var(--pricing-accent) 55%, transparent), transparent 55%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.65;
}

.is-pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 64px rgba(0, 0, 0, 0.45);
}

.is-pricing-card--basic { --pricing-accent: #38bdf8; }
.is-pricing-card--pro { --pricing-accent: #818cf8; }
.is-pricing-card--ultra { --pricing-accent: #34d399; }

.is-pricing-card--featured {
    border-color: color-mix(in srgb, var(--pricing-accent) 45%, var(--is-border));
    box-shadow:
        0 0 0 1px color-mix(in srgb, var(--pricing-accent) 25%, transparent),
        0 28px 70px color-mix(in srgb, var(--pricing-accent) 22%, transparent);
    transform: scale(1.03);
    z-index: 1;
}

.is-pricing-card--featured:hover {
    transform: scale(1.03) translateY(-6px);
}

@media (max-width: 899px) {
    .is-pricing-card--featured {
        transform: none;
        order: -1;
    }

    .is-pricing-card--featured:hover {
        transform: translateY(-6px);
    }
}

.is-pricing-badge {
    position: absolute;
    top: -0.65rem;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #0f172a;
    background: linear-gradient(135deg, var(--pricing-accent), #f8fafc);
    box-shadow: 0 8px 24px color-mix(in srgb, var(--pricing-accent) 40%, transparent);
    white-space: nowrap;
}

.is-pricing-card-head {
    text-align: center;
    padding-top: 0.5rem;
}

.is-pricing-tier {
    display: inline-block;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pricing-accent);
    background: color-mix(in srgb, var(--pricing-accent) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--pricing-accent) 28%, transparent);
}

.is-pricing-name {
    margin: 0 0 0.5rem;
    font-size: 1.35rem;
    line-height: 1.3;
}

.is-pricing-desc {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--is-muted);
    min-height: 2.8em;
}

.is-pricing-price-block {
    text-align: center;
    padding: 1.1rem 0.75rem;
    border-radius: 16px;
    background: rgba(3, 7, 18, 0.45);
    border: 1px solid var(--is-border);
}

.is-pricing-price-old {
    display: block;
    font-size: 0.95rem;
    color: var(--is-muted);
    text-decoration: line-through;
    margin-bottom: 0.15rem;
}

.is-pricing-price-row {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.is-pricing-price {
    font-size: clamp(2rem, 5vw, 2.65rem);
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #f8fafc 20%, var(--pricing-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.is-pricing-currency {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--is-muted);
}

.is-pricing-period,
.is-pricing-renewal {
    display: block;
    margin-top: 0.45rem;
    font-size: 0.8rem;
    color: var(--is-muted);
}

.is-pricing-features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
    flex: 1;
}

.is-pricing-feature {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.55rem;
    padding: 0.5rem 0.65rem;
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.55);
    border: 1px solid rgba(148, 163, 184, 0.1);
    font-size: 0.82rem;
}

.is-pricing-feature--off {
    opacity: 0.55;
}

.is-pricing-feature-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.is-pricing-feature-icon--on {
    color: var(--is-success);
}

.is-pricing-feature-icon--off {
    color: #64748b;
}

.is-pricing-feature-label {
    color: #e2e8f0;
    line-height: 1.35;
}

.is-pricing-feature-limit {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--pricing-accent);
    white-space: nowrap;
}

.is-pricing-feature--off .is-pricing-feature-limit {
    color: var(--is-muted);
    font-weight: 500;
}

.is-pricing-extras {
    list-style: none;
    margin: 0;
    padding: 0.85rem 0 0;
    border-top: 1px dashed color-mix(in srgb, var(--pricing-accent) 35%, var(--is-border));
    display: grid;
    gap: 0.5rem;
}

.is-pricing-extra {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.82rem;
    line-height: 1.45;
    color: #cbd5e1;
}

.is-pricing-extra span {
    flex: 1;
}

.is-pricing-cta {
    width: 100%;
    justify-content: center;
    margin-top: auto;
}

html[dir="ltr"] .is-pricing-cta i[data-lucide="arrow-left"] {
    transform: scaleX(-1);
}