/* =========================================================
   Polygon Infotech IT Company — Premium Responsive Theme
   ========================================================= */

:root {
    /* Brand & Accent Tokens */
    --pi-primary: #5b4cf0;
    --pi-primary-hover: #4338ca;
    --pi-primary-light: #e0e7ff;
    --pi-primary-2: #20b8d8;
    
    /* Neutrals & Surfaces */
    --pi-dark: #0d1730;
    --pi-text: #1c2740;
    --pi-muted: #6f7b91;
    --pi-border: #e2e7f0;
    --pi-soft: #f7f9fd;
    --pi-card: #ffffff;
    
    /* Elevation & Shadows */
    --pi-shadow: 0 24px 70px rgba(20, 32, 70, .12);
    --pi-shadow-sm: 0 4px 12px rgba(20, 32, 70, .05);
    --pi-radius-pill: 9999px;
    --pi-transition: cubic-bezier(0.4, 0, 0.2, 1) 200ms;
}

/* === Base & Reset === */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--pi-text);
    background-color: var(--pi-card);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.pi-container {
    width: min(1440px, calc(100% - 48px));
    margin-inline: auto;
}

/* === Topbar & Header === */
.pi-topbar {
    background: var(--pi-dark);
    color: #ffffff;
    font-size: 11px;
}

.pi-topbar__inner {
    min-height: 34px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}

.pi-topbar__inner > div {
    display: flex;
    gap: 14px;
}

.pi-topbar a {
    color: #ffffff;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity var(--pi-transition);
}

.pi-topbar a:hover {
    opacity: 1;
}

.pi-header {
    background: #ffffff;
    border-bottom: 1px solid var(--pi-border);
}

.pi-header__inner {
    min-height: 88px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.pi-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--pi-dark);
}

.pi-brand__mark {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    background: linear-gradient(145deg, var(--pi-primary), var(--pi-primary-2));
    color: #ffffff;
    font-size: 20px;
    font-weight: 900;
    box-shadow: 0 12px 30px rgba(91, 76, 240, .22);
}

.pi-brand__copy {
    display: grid;
    gap: 3px;
}

.pi-brand__copy strong {
    font-size: 18px;
    line-height: 1.2;
}

.pi-brand__copy small {
    color: var(--pi-muted);
    font-size: 10px;
}

.pi-header__badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pi-header__badges span {
    padding: 9px 11px;
    border: 1px solid var(--pi-border);
    border-radius: var(--pi-radius-pill);
    background: #ffffff;
    color: var(--pi-muted);
    font-size: 9px;
    font-weight: 750;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* === Floating / Sticky Navbar === */
.pi-navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--pi-border);
    transition: background var(--pi-transition), box-shadow var(--pi-transition);
}

.pi-navbar__inner {
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.pi-nav-menu {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 4px;
}

.pi-nav-link {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 14px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--pi-text);
    text-decoration: none;
    font: inherit;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: all var(--pi-transition);
}

.pi-nav-link:hover,
.pi-nav-link:focus-visible {
    background: #f0efff;
    color: var(--pi-primary);
}

.pi-nav-link--active {
    background: var(--pi-primary-light);
    color: var(--pi-primary);
}

.pi-nav-link--cta {
    background: linear-gradient(135deg, var(--pi-primary), #7569ff);
    color: #ffffff !important;
    box-shadow: 0 8px 20px rgba(91, 76, 240, .25);
}

.pi-nav-link--cta:hover {
    box-shadow: 0 12px 28px rgba(91, 76, 240, .35);
    transform: translateY(-1px);
}

/* Chevron Rotator */
.pi-chevron {
    transition: transform var(--pi-transition);
}

/* === Dropdown Menu & Hover Interaction === */
.pi-nav-dropdown {
    position: relative;
}

.pi-nav-dropdown__menu {
    position: absolute;
    left: 50%;
    top: calc(100% + 10px);
    transform: translateX(-50%) translateY(8px);
    min-width: 250px;
    padding: 10px;
    border: 1px solid var(--pi-border);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: var(--pi-shadow);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--pi-transition), transform var(--pi-transition), visibility var(--pi-transition);
}

/* Mouseover / Focus-within Trigger */
@media (min-width: 841px) {
    .pi-nav-dropdown:hover .pi-nav-dropdown__menu,
    .pi-nav-dropdown:focus-within .pi-nav-dropdown__menu,
    .pi-nav-dropdown.is-open .pi-nav-dropdown__menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0);
    }

    .pi-nav-dropdown:hover .pi-chevron,
    .pi-nav-dropdown.is-open .pi-chevron {
        transform: rotate(180deg);
    }
}

/* Rich Sub-item Link Cards */
.pi-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--pi-text);
    text-decoration: none;
    transition: background var(--pi-transition), color var(--pi-transition);
}

.pi-dropdown-item:hover {
    background: #f2f5ff;
    color: var(--pi-primary);
}

.pi-dropdown-item__icon {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: #efefff;
    color: var(--pi-primary);
    flex-shrink: 0;
}

.pi-dropdown-item__text strong {
    display: block;
    font-size: 11px;
    font-weight: 750;
    line-height: 1.3;
}

.pi-dropdown-item__text small {
    display: block;
    color: var(--pi-muted);
    font-size: 9px;
    font-weight: 500;
}

.pi-nav-cta {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--pi-primary), #7569ff);
    color: #ffffff;
    text-decoration: none;
    font-size: 11px;
    font-weight: 850;
    box-shadow: 0 12px 28px rgba(91, 76, 240, .22);
    transition: transform var(--pi-transition), box-shadow var(--pi-transition);
}

.pi-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 32px rgba(91, 76, 240, .32);
}

.pi-nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 9px;
    border: 1px solid var(--pi-border);
    border-radius: 10px;
    background: #ffffff;
    cursor: pointer;
}

.pi-nav-toggle span {
    display: block;
    height: 2px;
    margin: 4px 0;
    background: var(--pi-dark);
    transition: transform var(--pi-transition), opacity var(--pi-transition);
}

/* === Layout Sections & Components === */
.pi-kicker {
    display: inline-flex;
    min-height: 29px;
    align-items: center;
    padding: 0 12px;
    border-radius: var(--pi-radius-pill);
    background: #efefff;
    color: var(--pi-primary);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.pi-heading {
    max-width: 900px;
    margin: 0 auto 40px;
    text-align: center;
}

.pi-heading--left {
    max-width: 820px;
    margin-left: 0;
    text-align: left;
}

.pi-heading h2, .pi-two-col h2, .pi-banner h2, .pi-contact h2 {
    margin: 16px 0;
    color: var(--pi-dark);
    font-size: clamp(2.5rem, 4.4vw, 4.8rem);
    line-height: 1.02;
    letter-spacing: -.05em;
    font-weight: 800;
}

.pi-heading p, .pi-two-col p, .pi-banner p, .pi-contact p {
    color: var(--pi-muted);
    line-height: 1.8;
}

.pi-btn {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 11px;
    font-weight: 850;
    transition: transform var(--pi-transition), box-shadow var(--pi-transition);
}

.pi-btn--primary {
    background: linear-gradient(135deg, var(--pi-primary), #7569ff);
    color: #ffffff;
    box-shadow: 0 12px 28px rgba(91, 76, 240, .2);
}

.pi-btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 32px rgba(91, 76, 240, .3);
}

.pi-btn--secondary {
    border: 1px solid var(--pi-border);
    background: #ffffff;
    color: var(--pi-text);
}

.pi-btn--secondary:hover {
    background: var(--pi-soft);
}

.pi-btn--light {
    background: #ffffff;
    color: var(--pi-dark);
}

/* === Hero Variants === */
.pi-hero {
    padding: 88px 0 96px;
    background:
        radial-gradient(circle at 5% 10%, rgba(91, 76, 240, .10), transparent 28%),
        radial-gradient(circle at 95% 10%, rgba(32, 184, 216, .10), transparent 28%),
        linear-gradient(135deg, #f9faff, #ffffff);
}

.pi-hero--02 { background: linear-gradient(135deg, #f8f7ff, #f7fcff); }
.pi-hero--03 { background: linear-gradient(135deg, #f8fbff, #ffffff); }
.pi-hero--04 { background: linear-gradient(135deg, #fbfaff, #f7fbff); }
.pi-hero--05 { background: linear-gradient(135deg, #f8f9ff, #ffffff); }

.pi-hero__grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
    gap: 74px;
}

.pi-hero h1 {
    max-width: 900px;
    margin: 18px 0;
    color: var(--pi-dark);
    font-size: clamp(3.5rem, 6.2vw, 6.8rem);
    line-height: .95;
    letter-spacing: -.06em;
    font-weight: 800;
}

.pi-hero__content > p {
    max-width: 700px;
    margin: 0;
    color: var(--pi-muted);
    font-size: 16px;
    line-height: 1.8;
}

.pi-hero__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.pi-hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    max-width: 620px;
    margin-top: 34px;
}

.pi-hero__stats div {
    padding: 16px;
    border: 1px solid var(--pi-border);
    border-radius: 15px;
    background: rgba(255, 255, 255, .85);
}

.pi-hero__stats strong, .pi-hero__stats span { display: block; }
.pi-hero__stats strong { color: var(--pi-primary); font-size: 18px; }
.pi-hero__stats span { margin-top: 3px; color: var(--pi-muted); font-size: 9px; }

.pi-hero__visual {
    position: relative;
    min-height: 560px;
    padding: 11px;
    border-radius: 30px;
    background: #ffffff;
    box-shadow: var(--pi-shadow);
}

.pi-hero__visual img, .pi-hero__placeholder {
    width: 100%;
    height: 538px;
    display: block;
    object-fit: cover;
    border-radius: 23px;
}

.pi-hero__placeholder {
    display: grid;
    place-items: center;
    align-content: center;
    gap: 10px;
    background: linear-gradient(145deg, #161f42, #5b4cf0);
    color: #ffffff;
    text-align: center;
}

.pi-orbit {
    width: 150px;
    height: 150px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .25);
    box-shadow: 0 0 0 30px rgba(255, 255, 255, .04), 0 0 0 60px rgba(255, 255, 255, .025);
}

.pi-orbit span { font-size: 60px; font-weight: 900; }

.pi-float-card {
    position: absolute;
    padding: 13px 15px;
    border: 1px solid rgba(255, 255, 255, .9);
    border-radius: 15px;
    background: rgba(255, 255, 255, .96);
    box-shadow: var(--pi-shadow);
}

.pi-float-card strong, .pi-float-card small { display: block; }
.pi-float-card strong { color: var(--pi-text); font-size: 10px; }
.pi-float-card small { margin-top: 3px; color: var(--pi-muted); font-size: 9px; }
.pi-float-card--top { top: 38px; left: -34px; }
.pi-float-card--bottom { right: -28px; bottom: 38px; }

/* === Content Sections & Cards === */
.pi-about, .pi-section, .pi-contact {
    padding: 96px 0;
    background: #ffffff;
}

.pi-about--02, .pi-about--04, .pi-section--alt {
    background: var(--pi-soft);
}

.pi-two-col {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 68px;
    align-items: center;
}

.pi-media-panel img, .pi-media-placeholder {
    width: 100%;
    height: 520px;
    object-fit: cover;
    border-radius: 28px;
    box-shadow: var(--pi-shadow);
}

.pi-media-placeholder {
    display: grid;
    place-items: center;
    align-content: center;
    background: linear-gradient(145deg, #eef1ff, #f5fbff);
    color: var(--pi-primary);
    font-size: 54px;
    font-weight: 900;
    text-align: center;
}

.pi-media-placeholder small {
    font-size: 12px;
    color: var(--pi-muted);
    font-weight: 700;
}

.pi-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 28px;
}

.pi-metrics div, .pi-trust-strip div {
    padding: 16px;
    border: 1px solid var(--pi-border);
    border-radius: 14px;
    background: #ffffff;
}

.pi-metrics strong, .pi-metrics span, .pi-trust-strip strong, .pi-trust-strip span { display: block; }
.pi-metrics strong, .pi-trust-strip strong { color: var(--pi-primary); }
.pi-metrics span, .pi-trust-strip span { margin-top: 3px; color: var(--pi-muted); font-size: 9px; }

.pi-card-grid { display: grid; gap: 16px; }
.pi-card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.pi-card-grid--4 { grid-template-columns: repeat(4, 1fr); }

.pi-card-grid article, .pi-number-grid article {
    padding: 26px;
    border: 1px solid var(--pi-border);
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 12px 34px rgba(20, 32, 70, .055);
    transition: transform var(--pi-transition), box-shadow var(--pi-transition);
}

.pi-card-grid article:hover, .pi-number-grid article:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(20, 32, 70, .09);
}

.pi-card-grid article > span {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: #efefff;
    color: var(--pi-primary);
    font-weight: 900;
}

.pi-card-grid h3, .pi-number-grid h3, .pi-list-stack h3, .pi-feature-stack h3 {
    margin: 14px 0 7px;
    color: var(--pi-dark);
}

.pi-card-grid p, .pi-number-grid p, .pi-feature-stack p {
    margin: 0;
    color: var(--pi-muted);
    font-size: 11px;
    line-height: 1.7;
}

.pi-card-grid a {
    display: inline-flex;
    margin-top: 14px;
    color: var(--pi-primary);
    text-decoration: none;
    font-size: 10px;
    font-weight: 850;
}

.pi-timeline { display: grid; gap: 12px; }
.pi-timeline article {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 20px;
    padding: 18px;
    border: 1px solid var(--pi-border);
    border-radius: 16px;
    background: #ffffff;
}

.pi-timeline article > strong { color: var(--pi-primary); }
.pi-timeline h3 { margin: 0 0 5px; color: var(--pi-dark); }
.pi-timeline p { margin: 0; }

.pi-trust-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.pi-list-stack, .pi-feature-stack { display: grid; gap: 10px; }
.pi-list-stack article, .pi-feature-stack article {
    padding: 17px;
    border: 1px solid var(--pi-border);
    border-radius: 15px;
    background: #ffffff;
}

.pi-list-stack strong, .pi-list-stack span { display: block; }
.pi-list-stack span { margin-top: 4px; color: var(--pi-muted); font-size: 10px; line-height: 1.6; }

.pi-number-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.pi-number-grid small { color: var(--pi-primary); font-weight: 900; }

.pi-feature-stack article {
    display: grid;
    grid-template-columns: 42px 1fr auto;
    align-items: center;
    gap: 14px;
}

.pi-feature-stack article > span {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: #efefff;
    color: var(--pi-primary);
}

.pi-feature-stack h3 { margin: 0 0 4px; }
.pi-feature-stack a { color: var(--pi-primary); text-decoration: none; }

.pi-banner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
}

.pi-banner > div { max-width: 900px; }
.pi-banner--dark {
    padding: 42px;
    border-radius: 24px;
    background: linear-gradient(135deg, #101932, #27316e);
    color: #ffffff;
}

.pi-banner--dark h2 { color: #ffffff; }
.pi-banner--dark p { color: rgba(255, 255, 255, .74); }

.pi-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.pi-chip-row span {
    padding: 12px 14px;
    border: 1px solid var(--pi-border);
    border-radius: 12px;
    background: #ffffff;
    color: var(--pi-text);
    font-size: 10px;
    font-weight: 800;
}

.pi-quote {
    color: var(--pi-primary);
    font-size: 40px;
    line-height: 1;
}

/* === Contact & Form === */
.pi-contact__grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 68px;
}

.pi-contact__form {
    display: grid;
    gap: 12px;
    padding: 28px;
    border: 1px solid var(--pi-border);
    border-radius: 22px;
    background: #ffffff;
    box-shadow: var(--pi-shadow);
}

.pi-contact__form input,
.pi-contact__form select,
.pi-contact__form textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--pi-border);
    border-radius: 11px;
    background: #ffffff;
    font: inherit;
    transition: border-color var(--pi-transition);
}

.pi-contact__form input:focus,
.pi-contact__form select:focus,
.pi-contact__form textarea:focus {
    outline: none;
    border-color: var(--pi-primary);
}

.pi-contact__form button {
    min-height: 48px;
    border: 0;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--pi-primary), #7569ff);
    color: #ffffff;
    font-weight: 850;
    cursor: pointer;
    transition: transform var(--pi-transition), box-shadow var(--pi-transition);
}

.pi-contact__form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(91, 76, 240, .25);
}

/* === Footer === */
.pi-footer {
    padding-top: 58px;
    background: var(--pi-dark);
    color: rgba(255, 255, 255, .74);
}

.pi-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 34px;
    padding-bottom: 44px;
}

.pi-footer__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
}

.pi-footer h4 {
    margin: 0 0 12px;
    color: #ffffff;
}

.pi-footer a, .pi-footer span {
    display: block;
    margin: 8px 0;
    color: rgba(255, 255, 255, .72);
    text-decoration: none;
    font-size: 11px;
    transition: color var(--pi-transition);
}

.pi-footer a:hover {
    color: #ffffff;
}

.pi-footer p {
    max-width: 430px;
    line-height: 1.7;
}

.pi-footer__bottom {
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, .1);
    font-size: 10px;
}

/* === Responsive Media Queries === */
@media (max-width: 1100px) {
    .pi-hero__grid, .pi-two-col, .pi-contact__grid {
        grid-template-columns: 1fr;
    }
    .pi-card-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .pi-footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 840px) {
    .pi-header__badges { display: none; }
    .pi-nav-toggle { display: block; }
    .pi-navbar__inner { justify-content: space-between; }
    
    .pi-nav-menu {
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        padding: 12px;
        border: 1px solid var(--pi-border);
        border-radius: 16px;
        background: #ffffff;
        box-shadow: var(--pi-shadow);
    }
    
    .pi-navbar.is-open .pi-nav-menu {
        display: flex;
    }
    
    .pi-nav-link {
        width: 100%;
        justify-content: space-between;
    }
    
    .pi-nav-dropdown__menu {
        position: static;
        display: none;
        min-width: 0;
        margin: 4px 0 6px 12px;
        border: 0;
        border-left: 2px solid var(--pi-border);
        border-radius: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none !important;
        pointer-events: auto;
    }
    
    .pi-nav-dropdown:hover .pi-nav-dropdown__menu {
        display: none;
    }
    
    .pi-nav-dropdown.is-open .pi-nav-dropdown__menu {
        display: block;
    }
}

@media (max-width: 680px) {
    .pi-container {
        width: min(100% - 28px, 1440px);
    }
    .pi-topbar__inner {
        justify-content: center;
    }
    .pi-topbar__inner > div {
        display: none;
    }
    .pi-hero {
        padding: 64px 0 72px;
    }
    .pi-hero h1 {
        font-size: clamp(3rem, 12vw, 4.5rem);
    }
    .pi-hero__stats, .pi-metrics, .pi-trust-strip, .pi-card-grid--3, .pi-card-grid--4, .pi-number-grid {
        grid-template-columns: 1fr;
    }
    .pi-hero__visual, .pi-hero__visual img, .pi-hero__placeholder, .pi-media-panel img, .pi-media-placeholder {
        height: 380px;
        min-height: 380px;
    }
    .pi-float-card--top { left: 10px; }
    .pi-float-card--bottom { right: 10px; }
    
    .pi-feature-stack article {
        grid-template-columns: 42px 1fr;
    }
    .pi-feature-stack article > a {
        grid-column: 2;
    }
    
    .pi-banner {
        flex-direction: column;
        align-items: flex-start;
    }
    .pi-footer__grid {
        grid-template-columns: 1fr;
    }
}