/* ============================================================
   Grigolato.it — Corporate Website Design System
   Mirrors ProjectSCT palette (dark navy + teal accent)
   Top navigation layout for corporate website

   --primary:      #21B4A6  teal accent
   --primary-hover: #0FAF9F  teal hover
   --bg:           #111A28  page background (very dark navy)
   --card:         #1C2A3C  container / card background
   --nav:          #0d1520  navigation / header background
   --heading:      #FFFFFF  headings
   --body-text:    #EDF6F3  body copy (light mint)
   --muted:        #aac     secondary text
   --border:       #2a3a4c  borders / dividers
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;500;700&family=Poppins:wght@700;800&display=swap');

:root {
    --primary: #21B4A6;
    --primary-hover: #0FAF9F;
    --accent: #21B4A6;
    --accent-light: #2ec4b6;
    --success: #27ae60;
    --warning: #d4a800;
    --danger: #e74c3c;
    --bg: #111A28;
    --card-bg: #1C2A3C;
    --nav-bg: #0d1520;
    --text: #EDF6F3;
    --text-light: #aaaacc;
    --border: #2a3a4c;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Lato', -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* ── Top Navigation ────────────────────────────────────────── */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 100;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #FFFFFF;
}

.nav-logo img {
    height: 28px;
    width: auto;
    filter: brightness(0) invert(1);
}

.nav-logo span {
    font-family: 'Poppins', 'Lato', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #FFFFFF;
    background: rgba(255,255,255,0.06);
}

.nav-links a.nav-cta {
    background: var(--primary);
    color: #FFFFFF;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: 600;
    margin-left: 0.5rem;
}

.nav-links a.nav-cta:hover {
    background: var(--primary-hover);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
}

/* ── Main Content ──────────────────────────────────────────── */
main {
    margin-top: 70px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 2rem;
}

section {
    margin-bottom: 3rem;
    scroll-margin-top: 90px;
}

/* ── Typography ────────────────────────────────────────────── */
h1 {
    font-family: 'Poppins', 'Lato', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 0.5rem;
}

h1 .subtitle {
    display: block;
    font-family: 'Lato', sans-serif;
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
    margin-top: 0.25rem;
}

h2 {
    font-family: 'Poppins', 'Lato', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

h3 {
    font-family: 'Poppins', 'Lato', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1rem 0 0.5rem;
}

p { margin-bottom: 0.75rem; }

a { color: var(--primary); }
a:hover { color: var(--primary-hover); }

/* ── Hero Section ──────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    margin: -2rem -2rem 3rem;
    background:
        linear-gradient(135deg, rgba(13, 21, 32, 0.82) 0%, rgba(17, 26, 40, 0.78) 50%, rgba(15, 52, 96, 0.72) 100%),
        url('/assets/images/hero-banner.svg') center / cover no-repeat;
    border-bottom: 1px solid var(--border);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    max-width: 800px;
    margin: 0 auto 1rem;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.hero-cta {
    display: inline-flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: #FFFFFF;
}

.btn-primary:hover {
    background: var(--primary-hover);
    color: #FFFFFF;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #FFFFFF;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.card:hover {
    border-color: #3a4a5c;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.card-grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* ── Service Cards (with hover lift) ───────────────────────── */
.service-card {
    text-align: center;
    padding: 2rem 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border-color: var(--primary);
}

.service-card .service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: #FFFFFF;
    margin: 0 0 0.5rem;
    font-size: 1.15rem;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.service-card .card-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
}

.service-card .card-link:hover {
    color: var(--primary-hover);
}

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-card {
    text-align: center;
    padding: 1.5rem;
    border-top: 3px solid var(--primary);
}

.stat-card .stat-value {
    font-family: 'Poppins', 'Lato', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: #FFFFFF;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

/* ── Tags ──────────────────────────────────────────────────── */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid;
}

.tag-blue { background: rgba(41, 128, 185, 0.15); color: #5dade2; border-color: rgba(41, 128, 185, 0.3); }
.tag-green { background: rgba(39, 174, 96, 0.15); color: #58d68d; border-color: rgba(39, 174, 96, 0.3); }
.tag-orange { background: rgba(212, 168, 0, 0.15); color: #f0c040; border-color: rgba(212, 168, 0, 0.3); }
.tag-red { background: rgba(231, 76, 60, 0.15); color: #ec7063; border-color: rgba(231, 76, 60, 0.3); }
.tag-purple { background: rgba(142, 68, 173, 0.15); color: #bb8fce; border-color: rgba(142, 68, 173, 0.3); }

/* ── Certification Badges ──────────────────────────────────── */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.cert-badge {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: border-color 0.2s;
}

.cert-badge:hover {
    border-color: var(--primary);
}

.cert-badge .cert-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.cert-badge .cert-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: #FFFFFF;
}

.cert-badge .cert-detail {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* ── Timeline ──────────────────────────────────────────────── */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-item .period {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
}

.timeline-item .title {
    font-weight: 600;
    color: #FFFFFF;
}

.timeline-item .company {
    color: var(--primary);
    font-weight: 500;
}

.timeline-item .desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* ── Testimonials ──────────────────────────────────────────── */
.testimonial {
    padding: 1.5rem;
    border-left: 3px solid var(--primary);
    font-style: italic;
    color: var(--text);
    position: relative;
}

.testimonial .quote {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.testimonial .author {
    font-style: normal;
    font-weight: 600;
    color: #FFFFFF;
    font-size: 0.9rem;
}

.testimonial .author-role {
    font-style: normal;
    font-size: 0.8rem;
    color: var(--text-light);
}

.testimonial-footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
}

.testimonial-source {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-style: normal;
    font-size: 0.75rem;
    color: #0A66C2;
    text-decoration: none;
    padding: 0.25rem 0.6rem;
    border: 1px solid rgba(10, 102, 194, 0.3);
    border-radius: 4px;
    white-space: nowrap;
    transition: background 0.2s, border-color 0.2s;
}

.testimonial-source:hover {
    background: rgba(10, 102, 194, 0.1);
    border-color: #0A66C2;
}

/* ── Case Study Teaser ─────────────────────────────────────── */
.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    padding: 2rem;
}

.case-study-content h3 {
    color: #FFFFFF;
    font-size: 1.3rem;
    margin: 0 0 0.5rem;
}

.case-study-content p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.case-study-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.case-study-stats .stat {
    text-align: center;
    padding: 1rem;
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.case-study-stats .stat-value {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.case-study-stats .stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ── Deliverables List ─────────────────────────────────────── */
.deliverables {
    list-style: none;
    padding: 0;
}

.deliverables li {
    padding: 0.75rem 0 0.75rem 1.5rem;
    position: relative;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
}

.deliverables li:last-child {
    border-bottom: none;
}

.deliverables li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
}

/* ── Contact Form ──────────────────────────────────────────── */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Lato', sans-serif;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

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

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* ── Calendly Embed ────────────────────────────────────────── */
.calendly-wrapper {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    min-height: 650px;
}

.calendly-wrapper iframe {
    width: 100%;
    min-height: 650px;
    border: none;
}

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
    background: var(--nav-bg);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem 1.5rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-col h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.footer-col p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.footer-col a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.25rem 0;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-light);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer-bottom a {
    color: var(--text-light);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--primary);
}

/* ── Callouts ──────────────────────────────────────────────── */
.callout {
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1rem 0;
}

.callout.info {
    background: rgba(33, 180, 166, 0.1);
    border: 1px solid rgba(33, 180, 166, 0.3);
}

.callout.success {
    background: rgba(39, 174, 96, 0.1);
    border: 1px solid rgba(39, 174, 96, 0.3);
}

/* ── Page Header ───────────────────────────────────────────── */
.page-header {
    padding: 2rem 0 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.page-header .subtitle {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ── Two-Column Layout ─────────────────────────────────────── */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* ── Tables ────────────────────────────────────────────────── */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

th {
    background: var(--nav-bg);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

th:first-child { border-radius: 8px 0 0 0; }
th:last-child { border-radius: 0 8px 0 0; }

tr:nth-child(even) td { background: rgba(17, 26, 40, 0.4); }
tr:hover td { background: rgba(34, 52, 72, 0.6); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .hero h1 { font-size: 1.8rem; }
    .hero { padding: 2.5rem 1rem; }

    main { padding: 1rem; }

    .card-grid,
    .two-col { grid-template-columns: 1fr; }

    .case-study { grid-template-columns: 1fr; }

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

    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
}

/* ── Print ─────────────────────────────────────────────────── */
@media print {
    .top-nav { display: none; }
    .site-footer { display: none; }
    main { margin-top: 0; }
    body { background: #fff; color: #222; }
    .card { background: #fff; border-color: #ccc; }
    .hero { background: none; border: none; }
}

/* ── Animations ────────────────────────────────────────────── */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s, transform 0.6s;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}