/* file => landing.css | versione => 1.1.0 | data => 25-02-2026 20:45
 * @changelog
 *   1.1.0 (25-02-2026) - Aggiunta sezione Manifesto "Prima di tutto, le persone"
 *   1.0.0 (25-02-2026) - Creazione: landing page Kandivio */

:root {
    --kd-navy: #0b3c62;
    --kd-navy-dark: #082d4a;
    --kd-navy-light: #1a5a8a;
    --kd-coral: #f15a24;
    --kd-coral-dark: #d94d1a;
    --kd-coral-light: #ff7a4a;
    --kd-bg: #f5f7fa;
    --kd-text: #333;
    --kd-text-light: #666;
    --kd-white: #ffffff;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--kd-text);
    background: var(--kd-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ─── Container ─── */
.kd-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Navbar ─── */
.kd-navbar {
    background: var(--kd-white);
    padding: 16px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.kd-navbar .kd-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kd-navbar-logo { height: 40px; }

.kd-navbar-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.kd-navbar-links a {
    text-decoration: none;
    color: var(--kd-navy);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.kd-navbar-links a:hover { color: var(--kd-coral); }

.kd-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    border: none;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.kd-btn-coral {
    background: var(--kd-coral);
    color: var(--kd-white);
}

.kd-btn-coral:hover { background: var(--kd-coral-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(241,90,36,0.3); }

.kd-btn-navy {
    background: var(--kd-navy);
    color: var(--kd-white);
}

.kd-btn-navy:hover { background: var(--kd-navy-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(11,60,98,0.3); }

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

.kd-btn-outline:hover { background: var(--kd-navy); color: var(--kd-white); }

.kd-btn-lg { padding: 14px 36px; font-size: 1rem; }

/* ─── Hero ─── */
.kd-hero {
    background: linear-gradient(135deg, var(--kd-navy) 0%, var(--kd-navy-dark) 100%);
    color: var(--kd-white);
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.kd-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(241,90,36,0.08);
}

.kd-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
}

.kd-hero-content { position: relative; z-index: 1; }

.kd-hero-logo {
    height: 60px;
    margin-bottom: 24px;
}

.kd-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.kd-hero h1 span { color: var(--kd-coral-light); }

.kd-hero p {
    font-size: 1.15rem;
    font-weight: 300;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.kd-hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ─── Features ─── */
.kd-features {
    padding: 80px 0;
    background: var(--kd-bg);
}

.kd-section-title {
    text-align: center;
    margin-bottom: 56px;
}

.kd-section-title h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--kd-navy);
    margin-bottom: 12px;
}

.kd-section-title p {
    font-size: 1.05rem;
    color: var(--kd-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.kd-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.kd-feature-card {
    background: var(--kd-white);
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.kd-feature-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }

.kd-feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.6rem;
}

.kd-feature-icon-coral { background: rgba(241,90,36,0.1); color: var(--kd-coral); }
.kd-feature-icon-navy { background: rgba(11,60,98,0.1); color: var(--kd-navy); }
.kd-feature-icon-green { background: rgba(40,167,69,0.1); color: #28a745; }

.kd-feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--kd-navy);
    margin-bottom: 10px;
}

.kd-feature-card p { font-size: 0.9rem; color: var(--kd-text-light); line-height: 1.6; }

/* ─── Manifesto ─── */
.kd-manifesto {
    padding: 100px 0;
    background: var(--kd-white);
    position: relative;
}

.kd-manifesto::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--kd-navy) 0%, var(--kd-coral) 50%, var(--kd-navy) 100%);
}

.kd-manifesto-content {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.kd-manifesto-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--kd-navy) 0%, var(--kd-navy-light) 100%);
    color: var(--kd-white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    font-size: 2rem;
}

.kd-manifesto h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--kd-navy);
    margin-bottom: 16px;
}

.kd-manifesto-lead {
    font-size: 1.2rem;
    color: var(--kd-text);
    line-height: 1.8;
    margin-bottom: 48px;
    font-weight: 400;
}

.kd-manifesto-points {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 48px;
}

.kd-manifesto-point {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.kd-manifesto-point-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    background: rgba(241,90,36,0.08);
    color: var(--kd-coral);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-top: 2px;
}

.kd-manifesto-point h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--kd-navy);
    margin-bottom: 6px;
}

.kd-manifesto-point p {
    font-size: 0.95rem;
    color: var(--kd-text-light);
    line-height: 1.7;
}

.kd-manifesto-closing {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--kd-navy);
    line-height: 1.7;
    padding-top: 32px;
    border-top: 1px solid rgba(11,60,98,0.1);
}

/* ─── How It Works ─── */
.kd-how {
    padding: 80px 0;
    background: var(--kd-white);
}

.kd-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.kd-step { text-align: center; position: relative; }

.kd-step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--kd-navy);
    color: var(--kd-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

.kd-step h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--kd-navy);
    margin-bottom: 8px;
}

.kd-step p { font-size: 0.85rem; color: var(--kd-text-light); line-height: 1.5; }

/* ─── CTA Section ─── */
.kd-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--kd-coral) 0%, var(--kd-coral-dark) 100%);
    color: var(--kd-white);
    text-align: center;
}

.kd-cta h2 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
.kd-cta p { font-size: 1.05rem; opacity: 0.9; margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }

.kd-btn-white {
    background: var(--kd-white);
    color: var(--kd-coral);
    font-weight: 700;
}

.kd-btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

/* ─── Footer ─── */
.kd-footer {
    background: var(--kd-navy-dark);
    color: rgba(255,255,255,0.7);
    padding: 48px 0 24px;
}

.kd-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.kd-footer-brand p { font-size: 0.85rem; line-height: 1.6; margin-top: 12px; }
.kd-footer-logo { height: 36px; filter: brightness(0) invert(1); }

.kd-footer h4 {
    color: var(--kd-white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.kd-footer-links { list-style: none; }
.kd-footer-links li { margin-bottom: 8px; }
.kd-footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.85rem; transition: color 0.2s; }
.kd-footer-links a:hover { color: var(--kd-coral-light); }

.kd-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

/* ─── Responsive ─── */
@media (max-width: 992px) {
    .kd-features-grid { grid-template-columns: repeat(2, 1fr); }
    .kd-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .kd-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .kd-navbar-links { display: none; }
    .kd-hero { padding: 120px 0 80px; }
    .kd-hero h1 { font-size: 2rem; }
    .kd-hero p { font-size: 1rem; }
    .kd-features-grid { grid-template-columns: 1fr; }
    .kd-steps { grid-template-columns: 1fr 1fr; }
    .kd-section-title h2 { font-size: 1.6rem; }
    .kd-manifesto { padding: 64px 0; }
    .kd-manifesto h2 { font-size: 1.6rem; }
    .kd-manifesto-lead { font-size: 1.05rem; margin-bottom: 32px; }
    .kd-footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .kd-footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
    .kd-hero h1 { font-size: 1.6rem; }
    .kd-hero-actions { flex-direction: column; align-items: center; }
    .kd-steps { grid-template-columns: 1fr; }
}