* {
    box-sizing: border-box;
}

:root {
    --blu: #243b5a;
    --blu-scuro: #18293f;
    --blu-chiaro: #eef4ff;
    --oro: #f0b84f;
    --oro-soft: #fff4d8;
    --verde-soft: #eafaf2;
    --rosa-soft: #fff0f0;
    --viola-soft: #f4efff;
    --testo: #111827;
    --testo-soft: #4b5563;
    --bordo: #dbe3ef;
    --sfondo: #f5f8fc;
    --bianco: #ffffff;
    --ombra: 0 22px 55px rgba(31, 41, 55, 0.10);
    --ombra-soft: 0 12px 28px rgba(31, 41, 55, 0.08);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    padding-top: 88px;
    padding-bottom: 40px;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(240, 184, 79, 0.20), transparent 30%),
        radial-gradient(circle at top right, rgba(36, 59, 90, 0.18), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, #f5f8fc 48%, #eef4ff 100%);
    color: var(--testo);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

.home-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 90;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(36, 59, 90, 0.12);
    backdrop-filter: blur(16px);
}

.home-header-inner {
    width: 100%;
    max-width: 1320px;
    min-height: 88px;
    margin: 0 auto;
    padding: 0 28px;
    display: grid;
    grid-template-columns: 250px minmax(260px, 1fr) auto;
    align-items: center;
    gap: 24px;
}

.home-brand {
    display: inline-flex;
    align-items: center;
    justify-self: start;
}

.home-brand img {
    width: 215px;
    max-width: 58vw;
    height: auto;
    display: block;
}

.home-menu {
    justify-self: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid rgba(36, 59, 90, 0.14);
    box-shadow: 0 12px 28px rgba(31, 41, 55, 0.08);
}

.home-menu a {
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--blu-scuro);
    font-size: 13px;
    font-weight: 850;
    white-space: nowrap;
}

.home-menu a:hover {
    color: #ffffff;
    background: var(--blu);
}

.home-accesso {
    justify-self: end;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.home-user-box {
    min-height: 58px;
    padding: 7px 16px 7px 7px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid rgba(36, 59, 90, 0.14);
    box-shadow: 0 12px 26px rgba(31, 41, 55, 0.08);
    white-space: nowrap;
}

.home-user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    flex: 0 0 44px;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--blu) 0%, var(--blu-scuro) 100%);
    color: #ffffff;
    border: 2px solid #ffffff;
}

.home-user-avatar img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.home-user-initials {
    width: 100%;
    height: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 950;
}

.home-user-text {
    min-width: 135px;
    max-width: 180px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    line-height: 1.15;
}

.home-user-text strong,
.home-user-text span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.home-user-text strong {
    color: var(--blu-scuro);
    font-size: 14px;
    font-weight: 950;
}

.home-user-text span {
    color: #5f6b7c;
    font-size: 12px;
    font-weight: 800;
}

.home-user-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.home-login-button,
.btn {
    min-height: 46px;
    padding: 12px 21px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 900;
    border: 1px solid transparent;
}

.home-login-button,
.btn-primary {
    color: #ffffff;
    background: linear-gradient(180deg, var(--blu) 0%, var(--blu-scuro) 100%);
    box-shadow: 0 14px 26px rgba(36, 59, 90, 0.24);
}

.home-logout-button,
.btn-secondary {
    color: var(--blu-scuro);
    background: #ffffff;
    border-color: rgba(36, 59, 90, 0.18);
    box-shadow: 0 10px 22px rgba(31, 41, 55, 0.08);
}

.home-main {
    width: min(1120px, calc(100% - 42px));
    margin: 0 auto;
}

.eyebrow {
    margin: 0 0 12px;
    color: #52637a;
    font-size: 13px;
    font-weight: 950;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ari-hero {
    padding: 48px 0 28px;
    display: grid;
    grid-template-columns: minmax(0, 1.06fr) minmax(360px, 0.94fr);
    align-items: center;
    gap: 34px;
}

.ari-hero-copy h1 {
    max-width: 680px;
    margin: 0;
    color: var(--blu-scuro);
    font-size: clamp(40px, 4.2vw, 60px);
    line-height: 0.98;
    letter-spacing: -0.052em;
    text-align: left;
}

.hero-text {
    max-width: 720px;
    margin: 24px 0 0;
    color: #334155;
    font-size: 18px;
    line-height: 1.68;
    font-weight: 650;
    text-align: left;
}

.hero-actions {
    margin-top: 28px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-note-card {
    max-width: 650px;
    margin-top: 20px;
    padding: 17px 20px;
    display: grid;
    gap: 5px;
    border-radius: 22px;
    background: rgba(255, 244, 216, 0.92);
    border: 1px solid rgba(240, 184, 79, 0.38);
    color: var(--blu-scuro);
    box-shadow: var(--ombra-soft);
}

.hero-note-card strong {
    font-size: 16px;
    font-weight: 950;
}

.hero-note-card span {
    font-size: 14px;
    line-height: 1.5;
    font-weight: 750;
}

.ari-hero-visual {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 44px;
    background:
        linear-gradient(155deg, rgba(255, 255, 255, 0.88), rgba(238, 244, 255, 0.78)),
        radial-gradient(circle at 50% 35%, rgba(240, 184, 79, 0.28), transparent 42%);
    border: 1px solid rgba(36, 59, 90, 0.12);
    box-shadow: var(--ombra);
    overflow: hidden;
}

.ari-glow {
    position: absolute;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240, 184, 79, 0.34), rgba(36, 59, 90, 0.10), transparent 68%);
    filter: blur(8px);
}

.ari-main-image {
    position: relative;
    z-index: 2;
    width: min(355px, 84%);
    height: auto;
    display: block;
    filter: drop-shadow(0 28px 34px rgba(24, 41, 63, 0.18));
}

.ari-process {
    margin: 0 0 26px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.ari-process-card {
    min-height: 136px;
    padding: 22px;
    border-radius: 28px;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 16px;
    align-items: start;
    border: 1px solid rgba(36, 59, 90, 0.12);
    box-shadow: var(--ombra-soft);
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.process-blue {
    background: #eef4ff;
}

.process-gold {
    background: #fff4d8;
}

.process-green {
    background: #eafaf2;
}

.ari-process-card strong {
    width: 42px;
    height: 42px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    background: linear-gradient(180deg, var(--blu) 0%, var(--blu-scuro) 100%);
    font-size: 18px;
    font-weight: 950;
    box-shadow: 0 14px 24px rgba(36, 59, 90, 0.20);
}

.ari-process-card span {
    color: var(--blu-scuro);
    font-size: 15px;
    line-height: 1.45;
    font-weight: 850;
    text-align: left;
}

.method-section,
.home-strip,
.parent-section,
.sources-section,
.final-cta,
.ari-dialogue-section {
    margin: 28px 0;
    padding: 30px;
    border-radius: 36px;
    border: 1px solid rgba(36, 59, 90, 0.12);
    box-shadow: var(--ombra-soft);
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    scroll-margin-top: 112px;
}

.method-section {
    background: linear-gradient(145deg, #ffffff 0%, #f6fbff 48%, #fff4d8 100%);
}

.method-intro {
    display: block;
    width: 100%;
}

.method-intro h2,
.home-strip h2,
.parent-copy h2,
.sources-section h2,
.final-cta h2,
.ari-dialogue-section h2 {
    margin: 0;
    color: var(--blu-scuro);
    font-size: clamp(30px, 3vw, 46px);
    line-height: 1.04;
    letter-spacing: -0.04em;
    text-align: left;
}

.method-intro p,
.home-strip p,
.parent-copy p,
.sources-section p,
.final-cta p,
.dialogue-card p {
    margin: 16px 0 0;
    color: #334155;
    font-size: 16px;
    line-height: 1.64;
    font-weight: 650;
    text-align: left;
}

.method-steps {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.method-steps article {
    min-height: 112px;
    padding: 18px;
    border-radius: 24px;
    border: 1px solid rgba(36, 59, 90, 0.10);
    background: #ffffff;
    display: grid;
    align-content: start;
    gap: 12px;
}

.method-steps article:nth-child(1) { background: #eef4ff; }
.method-steps article:nth-child(2) { background: #fff4d8; }
.method-steps article:nth-child(3) { background: #eafaf2; }
.method-steps article:nth-child(4) { background: #f4efff; }
.method-steps article:nth-child(5) { background: #fff0f0; }

.method-steps strong {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    background: var(--oro);
    font-size: 18px;
    font-weight: 950;
}

.method-steps span {
    color: var(--blu-scuro);
    font-size: 14px;
    line-height: 1.35;
    font-weight: 850;
}

.home-strip.is-visible,
.parent-section.is-visible,
.sources-section.is-visible,
.final-cta.is-visible,
.ari-dialogue-section.is-visible,
.feature-card.is-visible,
.method-section.is-visible,
.ari-process-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.home-strip {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 32px;
    align-items: center;
    background: linear-gradient(145deg, #ffffff 0%, #fffaf0 55%, #f4f8ff 100%);
}

.home-strip p {
    margin: 0;
}

.home-cost-claim h2 {
    font-size: clamp(32px, 3.2vw, 48px);
}

.feature-grid {
    margin: 28px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.feature-card {
    min-height: 238px;
    padding: 28px;
    border-radius: 30px;
    border: 1px solid rgba(36, 59, 90, 0.12);
    box-shadow: var(--ombra-soft);
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.feature-blue { background: #eef4ff; }
.feature-gold { background: #fff4d8; }
.feature-green { background: #eafaf2; }

.feature-icon {
    width: 54px;
    height: 54px;
    margin-bottom: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: #ffffff;
    font-size: 28px;
    box-shadow: 0 8px 18px rgba(31, 41, 55, 0.06);
}

.feature-card h3 {
    margin: 0 0 12px;
    color: var(--blu-scuro);
    font-size: 22px;
    line-height: 1.12;
    letter-spacing: -0.02em;
}

.feature-card p {
    margin: 0;
    color: var(--testo-soft);
    font-size: 15px;
    line-height: 1.58;
    font-weight: 650;
}

.ari-dialogue-section {
    display: grid;
    grid-template-columns: 310px 1fr;
    gap: 26px;
    align-items: center;
    background: linear-gradient(145deg, #ffffff 0%, #f8fbff 64%, #fff6df 100%);
}

.ari-mini-panel {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ari-mini-panel img,
.final-cta img {
    width: 88px;
    height: 88px;
    object-fit: contain;
    border-radius: 26px;
    background: #ffffff;
    box-shadow: 0 14px 28px rgba(31, 41, 55, 0.08);
}

.dialogue-card {
    padding: 24px;
    border-radius: 26px;
    background: #ffffff;
    border: 1px solid rgba(240, 184, 79, 0.30);
}

.parent-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 28px;
    align-items: center;
    background: linear-gradient(145deg, #ffffff 0%, #f8fbff 55%, #eafaf2 100%);
}

.parent-list {
    display: grid;
    gap: 12px;
}

.parent-list div {
    padding: 18px;
    border-radius: 22px;
    background: #ffffff;
    border: 1px solid rgba(36, 59, 90, 0.10);
}

.parent-list strong,
.parent-list span {
    display: block;
}

.parent-list strong {
    color: var(--blu-scuro);
    font-size: 15px;
    font-weight: 950;
    margin-bottom: 5px;
}

.parent-list span {
    color: #52637a;
    font-size: 14px;
    line-height: 1.42;
    font-weight: 700;
}

.sources-section {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 28px;
    align-items: center;
    background: linear-gradient(145deg, #ffffff 0%, #eef4ff 58%, #fff4d8 100%);
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.sources-grid span {
    padding: 16px 18px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid rgba(36, 59, 90, 0.12);
    color: var(--blu-scuro);
    font-size: 14px;
    font-weight: 900;
    box-shadow: 0 8px 18px rgba(31, 41, 55, 0.05);
}

.final-cta {
    display: grid;
    grid-template-columns: 96px 1fr auto;
    align-items: center;
    gap: 22px;
    margin-bottom: 72px;
    background: linear-gradient(145deg, #ffffff 0%, #f6fbff 70%, #fff4d8 100%);
}

.home-floating-summary {
    position: fixed;
    top: 122px;
    left: calc(50% + 590px);
    z-index: 60;
    width: 190px;
    padding: 16px;
    border-radius: 24px;
    display: grid;
    gap: 6px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(36, 59, 90, 0.12);
    box-shadow: var(--ombra-soft);
    backdrop-filter: blur(14px);
}

.home-floating-summary span {
    padding: 0 4px 6px;
    color: #708096;
    font-size: 11px;
    font-weight: 950;
    text-transform: uppercase;
    letter-spacing: 0.10em;
}

.home-floating-summary a {
    padding: 10px 12px;
    border-radius: 14px;
    color: var(--blu-scuro);
    font-size: 13px;
    font-weight: 850;
}

.home-floating-summary a:hover {
    background: var(--blu-chiaro);
}

.home-floating-summary .summary-cta {
    margin-top: 6px;
    color: #ffffff;
    text-align: center;
    background: linear-gradient(180deg, var(--blu) 0%, var(--blu-scuro) 100%);
}

.home-footer {
    width: min(1120px, calc(100% - 42px));
    margin: 26px auto 80px;
    padding: 24px 28px;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    color: var(--blu-scuro);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(36, 59, 90, 0.12);
    box-shadow: var(--ombra-soft);
}

.home-footer strong {
    font-size: 18px;
    font-weight: 950;
}

.home-footer span {
    color: #52637a;
    font-size: 14px;
    line-height: 1.45;
    font-weight: 700;
    text-align: right;
}

.mobile-sticky-cta {
    display: none;
}

@media (max-width: 1500px) {
    .home-floating-summary {
        display: none;
    }
}

@media (max-width: 1180px) {
    .ari-hero {
        grid-template-columns: 1fr;
    }

    .ari-hero-visual {
        min-height: 430px;
    }

    .ari-process,
    .method-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {
    body {
        padding-top: 78px;
    }

    .home-header-inner {
        min-height: 78px;
        grid-template-columns: 1fr auto;
    }

    .home-brand img {
        width: 180px;
    }

    .home-menu {
        display: none;
    }

    .home-user-box {
        display: none;
    }

    .home-login-button {
        min-height: 42px;
        padding: 10px 16px;
    }

    .ari-hero,
    .home-strip,
    .ari-dialogue-section,
    .parent-section,
    .sources-section,
    .final-cta {
        grid-template-columns: 1fr;
    }

    .ari-hero {
        padding-top: 38px;
        min-height: auto;
    }

    .ari-hero-visual {
        order: -1;
        min-height: 360px;
        border-radius: 32px;
    }

    .ari-main-image {
        width: min(280px, 78%);
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .sources-grid {
        grid-template-columns: 1fr;
    }

    .final-cta {
        text-align: center;
        justify-items: center;
    }

    .mobile-sticky-cta {
        position: fixed;
        left: 14px;
        right: 14px;
        bottom: 14px;
        z-index: 90;
        display: block;
    }

    .mobile-sticky-cta a {
        min-height: 52px;
        border-radius: 999px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #ffffff;
        background: linear-gradient(180deg, var(--blu) 0%, var(--blu-scuro) 100%);
        font-size: 15px;
        font-weight: 950;
        box-shadow: 0 18px 36px rgba(36, 59, 90, 0.28);
    }
}

@media (max-width: 640px) {
    .home-main {
        width: min(100% - 28px, 1180px);
    }

    .home-header-inner {
        padding: 0 16px;
    }

    .ari-hero-copy h1 {
        font-size: 38px;
    }

    .hero-text,
    .method-intro p,
    .home-strip p,
    .parent-copy p,
    .sources-section p,
    .final-cta p,
    .dialogue-card p {
        font-size: 15px;
    }

    .method-section,
    .home-strip,
    .parent-section,
    .sources-section,
    .final-cta,
    .ari-dialogue-section {
        padding: 24px;
        border-radius: 26px;
    }

    .home-footer {
        display: grid;
        text-align: center;
        justify-items: center;
    }

    .home-footer span {
        text-align: center;
    }
}


.home-courses { padding: 88px 6vw; background: #f4f7fb; }
.home-section-heading { max-width: 900px; margin: 0 auto 34px; text-align: center; }
.home-section-heading h2 { margin: 8px 0 16px; }
.home-section-heading p { line-height: 1.7; }
.home-course-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; max-width: 1180px; margin: 0 auto; }
.home-course-card { padding: 28px; border-radius: 24px; background: #fff; box-shadow: 0 18px 45px rgba(24,41,63,.10); }
.home-course-card span { display: inline-block; margin-bottom: 12px; font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.home-course-card h3 { margin: 0 0 12px; }
.home-course-card p { margin: 0; line-height: 1.65; }
.home-course-card-featured { transform: translateY(-10px); border: 2px solid rgba(36,59,90,.22); }
@media (max-width: 860px) { .home-course-grid { grid-template-columns: 1fr; } .home-course-card-featured { transform: none; } }