:root {
    --modules-ink: #102f31;
    --modules-muted: #52696a;
    --modules-teal: #246c6c;
    --modules-teal-strong: #15585b;
    --modules-cyan: #41f2f2;
    --modules-mint: #8afff4;
    --modules-line: rgba(36, 108, 108, 0.18);
    --modules-soft: #eff8f7;
    --modules-dark: #063c40;
}

html { scroll-behavior: smooth; }

.modules-page {
    margin: 0;
    overflow-x: hidden;
    background: #f7fbfa;
    color: var(--modules-ink);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

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

.modules-page .top-nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 78px;
    padding: 12px clamp(24px, 5vw, 76px);
    background: rgba(25, 88, 91, 0.94);
    box-shadow: 0 12px 32px rgba(7, 52, 54, 0.18);
    backdrop-filter: blur(14px);
}

.modules-page .nav-left {
    position: absolute;
    top: 50%;
    left: clamp(22px, 4vw, 60px);
    transform: translateY(-50%);
}

.modules-page .nav-logo,
.modules-page .nav-logo img { display: block; }

.modules-page .nav-logo img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.modules-page .top-nav ul {
    display: flex;
    align-items: center;
    gap: clamp(34px, 6vw, 86px);
    margin: 0;
    padding: 0;
    list-style: none;
}

.modules-page .top-nav a {
    position: relative;
    color: #fff;
    font-size: 0.98rem;
    font-weight: 700;
    text-decoration: none;
}

.modules-page .top-nav li > a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -8px;
    left: 0;
    height: 2px;
    background: var(--modules-cyan);
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.modules-page .top-nav li > a:hover::after,
.modules-page .top-nav li > a[aria-current="page"]::after { transform: scaleX(1); }

.modules-page .menu-toggle {
    display: none;
    padding: 9px 12px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font: inherit;
    font-weight: 700;
}

.modules-hero {
    position: relative;
    display: grid;
    min-height: 720px;
    place-items: center;
    padding: 150px 24px 80px;
    color: #fff;
    background-image:
        linear-gradient(105deg, rgba(5, 48, 52, 0.91) 0%, rgba(19, 76, 79, 0.71) 48%, rgba(8, 55, 59, 0.35) 100%),
        url('/images/civilmath_canva_hero_2_hq.png');
    background-position: center;
    background-size: cover;
}

.modules-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 150px;
    background: linear-gradient(to top, rgba(4, 50, 53, 0.42), transparent);
    pointer-events: none;
}

.modules-hero-content {
    position: relative;
    z-index: 1;
    width: min(980px, 100%);
    text-align: center;
}

.hero-version,
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--modules-teal);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-version {
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.16);
    color: #fff;
    letter-spacing: 0.08em;
}

.modules-hero h1 {
    max-width: 980px;
    margin: 22px auto 18px;
    color: #fff;
    font-size: clamp(2.55rem, 5.6vw, 5rem);
    line-height: 0.99;
    letter-spacing: -0.055em;
    text-wrap: balance;
}

.modules-hero h1 span { color: var(--modules-cyan); }

.modules-hero-content > p {
    max-width: 790px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.88);
    font-size: clamp(1rem, 1.7vw, 1.22rem);
    line-height: 1.65;
    text-wrap: balance;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: 9px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: var(--modules-cyan);
    color: #063e41;
    box-shadow: 0 14px 34px rgba(16, 222, 219, 0.22);
}

.btn-secondary {
    border-color: rgba(255, 255, 255, 0.45);
    background: rgba(6, 48, 51, 0.34);
    color: #fff;
}

.btn-primary:hover,
.btn-secondary:hover { transform: translateY(-2px); }

.hero-scope {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    max-width: 900px;
    margin: 48px auto 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.23);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.18);
    list-style: none;
    backdrop-filter: blur(12px);
}

.hero-scope li {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 92px;
    padding: 19px;
    background: rgba(4, 49, 52, 0.58);
}

.hero-scope strong { color: var(--modules-mint); }

.hero-scope span {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.88rem;
    line-height: 1.4;
}

.windows-overview,
.capabilities-section,
.element-section,
.release-section,
.app-view-section,
.android-section,
.modules-cta { scroll-margin-top: 92px; }

.windows-overview {
    padding: 88px max(24px, calc((100vw - 1240px) / 2));
    background: var(--modules-dark);
    color: #fff;
}

.section-heading {
    max-width: 780px;
    margin: 0 auto 46px;
    text-align: center;
}

.section-heading h2,
.scope-note h2,
.android-section h2,
.modules-cta h2 {
    margin: 10px 0 14px;
    color: var(--modules-ink);
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
    text-wrap: balance;
}

.section-heading p,
.scope-note p,
.modules-cta p {
    margin: 0;
    color: var(--modules-muted);
    font-size: 1.05rem;
    line-height: 1.65;
}

.section-heading-light h2,
.section-heading-light p { color: #fff; }

.section-heading-light p { color: rgba(255, 255, 255, 0.74); }

.section-heading-light .section-kicker,
.windows-overview .section-kicker,
.element-section .section-kicker { color: var(--modules-mint); }

.workflow-panel {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 12px;
    align-items: stretch;
}

.workflow-panel article {
    min-width: 0;
    padding: 24px;
    border: 1px solid rgba(138, 255, 244, 0.16);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.055);
}

.workflow-number {
    color: var(--modules-mint);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.1em;
}

.workflow-panel h3 {
    margin: 10px 0 9px;
    color: #fff;
    font-size: 1.08rem;
}

.workflow-panel p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.55;
}

.workflow-arrow {
    display: grid;
    place-items: center;
    color: var(--modules-mint);
    font-size: 1.35rem;
}

.overview-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 22px;
    margin-top: 34px;
}

.text-link {
    color: var(--modules-mint);
    font-weight: 800;
    text-decoration: none;
}

.capabilities-section {
    padding: 98px max(24px, calc((100vw - 1240px) / 2));
    background:
        linear-gradient(rgba(36, 108, 108, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(36, 108, 108, 0.035) 1px, transparent 1px),
        #f8fbfb;
    background-size: 34px 34px;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.capability-card {
    min-width: 0;
    padding: 28px;
    border: 1px solid var(--modules-line);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 18px 46px rgba(19, 75, 77, 0.08);
}

.capability-card-accent {
    border-color: rgba(36, 108, 108, 0.35);
    background: #ecf8f6;
}

.capability-card-dark {
    border-color: var(--modules-dark);
    background: var(--modules-dark);
    color: #fff;
}

.capability-index {
    color: var(--modules-teal);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.capability-card-dark .capability-index { color: var(--modules-mint); }

.capability-card h3 {
    margin: 12px 0 10px;
    color: var(--modules-ink);
    font-size: 1.3rem;
    line-height: 1.2;
}

.capability-card-dark h3 { color: #fff; }

.capability-card p {
    margin: 0 0 18px;
    color: var(--modules-muted);
    line-height: 1.6;
}

.capability-card-dark p { color: rgba(255, 255, 255, 0.72); }

.capability-card ul,
.android-copy ul,
.release-technical ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.capability-card li {
    position: relative;
    margin-top: 8px;
    padding-left: 18px;
    color: #355759;
    font-size: 0.91rem;
    line-height: 1.45;
}

.capability-card li::before {
    content: "";
    position: absolute;
    top: 0.58em;
    left: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--modules-teal);
}

.capability-card-dark li { color: rgba(255, 255, 255, 0.8); }
.capability-card-dark li::before { background: var(--modules-mint); }

.element-section {
    padding: 94px max(24px, calc((100vw - 1240px) / 2));
    background: linear-gradient(145deg, #063c40, #0e5559);
    color: #fff;
}

.element-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.element-grid article {
    min-width: 0;
    padding: 26px;
    border: 1px solid rgba(138, 255, 244, 0.17);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.055);
}

.element-symbol {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 10px;
    background: var(--modules-cyan);
    color: var(--modules-dark);
    font-weight: 900;
}

.element-grid h3 {
    margin: 17px 0 9px;
    color: #fff;
    font-size: 1.28rem;
}

.element-grid p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.93rem;
    line-height: 1.6;
}

.release-section {
    padding: 98px max(24px, calc((100vw - 1240px) / 2));
    background: #fff;
}

.release-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.75fr);
    gap: 22px;
    align-items: stretch;
}

.release-primary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.release-primary article {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    padding: 24px;
    border: 1px solid var(--modules-line);
    border-radius: 13px;
    background: var(--modules-soft);
}

.release-primary article > span {
    color: var(--modules-teal);
    font-size: 0.78rem;
    font-weight: 900;
}

.release-primary h3,
.release-technical h3 {
    margin: 0 0 8px;
    color: var(--modules-ink);
    font-size: 1.1rem;
}

.release-primary p {
    margin: 0;
    color: var(--modules-muted);
    font-size: 0.91rem;
    line-height: 1.55;
}

.release-primary code {
    padding: 2px 5px;
    border-radius: 4px;
    background: rgba(36, 108, 108, 0.1);
    color: var(--modules-teal-strong);
}

.release-technical {
    padding: 30px;
    border-radius: 14px;
    background: var(--modules-dark);
    color: #fff;
}

.release-technical-label {
    color: var(--modules-mint);
    font-size: 0.76rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.release-technical h3 {
    margin-top: 12px;
    color: #fff;
    font-size: 1.42rem;
}

.release-technical li {
    position: relative;
    margin-top: 15px;
    padding-left: 19px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.92rem;
    line-height: 1.55;
}

.release-technical li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--modules-mint);
    font-weight: 900;
}

.release-technical strong { color: #fff; }

.app-view-section {
    padding: 98px max(24px, calc((100vw - 1240px) / 2));
    background: var(--modules-dark);
}

.app-view-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.85fr;
    gap: 16px;
}

.app-view-grid figure {
    min-width: 0;
    margin: 0;
    overflow: hidden;
    border: 1px solid rgba(138, 255, 244, 0.14);
    border-radius: 14px;
    background: #062e31;
}

.app-view-main { grid-row: span 2; }

.app-view-grid img {
    display: block;
    width: 100%;
    height: 260px;
    object-fit: cover;
    object-position: center top;
}

.app-view-main img { height: 592px; }

.app-view-grid figcaption {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 17px 19px;
    color: #fff;
}

.app-view-grid figcaption strong { font-size: 1rem; }

.app-view-grid figcaption span {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.86rem;
}

.scope-note {
    display: grid;
    grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
    gap: 60px;
    align-items: center;
    padding: 60px max(24px, calc((100vw - 1120px) / 2));
    border-bottom: 1px solid var(--modules-line);
    background: #eaf5f3;
}

.scope-note h2 { font-size: clamp(1.8rem, 3vw, 2.55rem); }

.android-section {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.55fr);
    gap: 56px;
    align-items: center;
    max-width: 1120px;
    margin: 0 auto;
    padding: 86px 24px;
}

.android-title-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 10px;
}

.android-title-row > img {
    width: 54px;
    height: 54px;
    object-fit: contain;
}

.android-title-row h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3.4vw, 2.8rem);
}

.android-copy > p {
    margin: 18px 0;
    color: var(--modules-muted);
    font-size: 1rem;
    line-height: 1.65;
}

.android-copy li {
    position: relative;
    margin-top: 9px;
    padding-left: 20px;
    color: #36595a;
    line-height: 1.5;
}

.android-copy li::before {
    content: "";
    position: absolute;
    top: 0.57em;
    left: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--modules-teal);
}

.playstore-link {
    display: inline-block;
    margin-top: 22px;
}

.playstore-link img {
    display: block;
    width: 190px;
    height: auto;
}

.android-visual {
    position: relative;
    max-width: 330px;
    justify-self: end;
    overflow: hidden;
    border: 1px solid var(--modules-line);
    border-radius: 20px;
    background: var(--modules-dark);
    box-shadow: 0 24px 56px rgba(14, 70, 72, 0.17);
}

.android-visual img {
    display: block;
    width: 100%;
    height: auto;
}

.android-visual span {
    position: absolute;
    right: 14px;
    bottom: 14px;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(4, 50, 53, 0.88);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 800;
}

.modules-cta {
    padding: 84px 24px;
    background:
        radial-gradient(circle at 50% 0, rgba(65, 242, 242, 0.13), transparent 42%),
        var(--modules-dark);
    color: #fff;
    text-align: center;
}

.modules-cta .section-kicker { color: var(--modules-mint); }
.modules-cta h2 { color: #fff; }
.modules-cta p { color: rgba(255, 255, 255, 0.72); }
.modules-cta .hero-actions { margin-top: 25px; }

.modules-footer {
    padding: 38px 24px 84px;
    background: #15585b;
    color: #fff;
    text-align: center;
}

.modules-footer h3 {
    margin: 0 0 16px;
    font-size: 1rem;
}

.modules-footer .social-icons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.modules-footer .social-icons img {
    display: block;
    width: 34px;
    height: 34px;
}

.modules-footer p {
    margin: 18px 0 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.78rem;
}

.modules-page .whatsapp-button {
    position: fixed;
    right: 24px;
    bottom: 62px;
    z-index: 1001;
    display: block;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    box-shadow: 0 9px 24px rgba(0, 0, 0, 0.22);
}

.modules-page .whatsapp-button img {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.modules-page .bottom-bar {
    position: fixed;
    inset: auto 0 0;
    z-index: 1000;
    min-height: 42px;
    padding: 8px 24px;
    background: rgba(21, 88, 91, 0.97);
    box-shadow: 0 -4px 16px rgba(6, 53, 55, 0.14);
}

.modules-page .contact-info {
    display: flex;
    justify-content: center;
    gap: 28px;
}

.modules-page .contact-info a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #fff;
    font-size: 0.78rem;
    text-decoration: none;
}

.modules-page .contact-info img {
    width: 14px;
    height: 14px;
    object-fit: contain;
}

@media (max-width: 1050px) {
    .workflow-panel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .workflow-arrow { display: none; }
    .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .element-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .release-layout { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
    .modules-page .top-nav {
        justify-content: flex-end;
        min-height: 66px;
        padding: 9px 18px;
    }

    .modules-page .nav-left { left: 16px; }

    .modules-page .nav-logo img {
        width: 42px;
        height: 42px;
    }

    .modules-page .menu-toggle { display: inline-flex; }

    .modules-page .top-nav ul {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 18px 18px;
        background: rgba(21, 88, 91, 0.98);
    }

    .modules-page .top-nav ul.is-open { display: flex; }

    .modules-page .top-nav li > a {
        display: block;
        padding: 11px 4px;
    }

    .modules-page .top-nav li > a::after { display: none; }

    .modules-hero {
        min-height: auto;
        padding: 120px 20px 56px;
        background-position: 60% center;
    }

    .modules-hero h1 { font-size: clamp(2.25rem, 12vw, 3.5rem); }

    .hero-scope {
        grid-template-columns: 1fr;
        max-width: 430px;
        margin-top: 36px;
    }

    .hero-scope li {
        min-height: 0;
        padding: 16px 18px;
    }

    .windows-overview,
    .capabilities-section,
    .element-section,
    .release-section,
    .app-view-section {
        padding-top: 72px;
        padding-bottom: 72px;
    }

    .section-heading { margin-bottom: 34px; }
    .release-primary { grid-template-columns: 1fr; }
    .app-view-grid { grid-template-columns: 1fr; }
    .app-view-main { grid-row: auto; }

    .app-view-main img,
    .app-view-grid img {
        height: auto;
        max-height: 520px;
        object-fit: contain;
        background: #1d1d1d;
    }

    .scope-note,
    .android-section {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .scope-note {
        padding-top: 52px;
        padding-bottom: 52px;
    }

    .android-visual {
        width: min(330px, 100%);
        justify-self: center;
    }
}

@media (max-width: 560px) {
    .hero-actions,
    .overview-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary { width: 100%; }

    .workflow-panel,
    .capability-grid,
    .element-grid { grid-template-columns: 1fr; }

    .workflow-panel article,
    .capability-card,
    .element-grid article,
    .release-primary article,
    .release-technical { padding: 21px; }

    .android-title-row { align-items: flex-start; }

    .android-title-row > img {
        width: 46px;
        height: 46px;
    }

    .modules-page .contact-info { gap: 12px; }
    .modules-page .contact-info a { font-size: 0.68rem; }

    .modules-page .whatsapp-button {
        right: 14px;
        bottom: 55px;
        width: 46px;
        height: 46px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    .modules-page *,
    .modules-page *::before,
    .modules-page *::after { transition-duration: 0.01ms !important; }
}