/* ============================================
   Components — Buttons, Cards, Nav, Footer, Forms
   ============================================ */

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.875rem 2rem;
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
}

.btn--primary {
    background: var(--color-green);
    color: var(--color-white);
    border-color: var(--color-green);
    box-shadow: var(--shadow-green);
}

.btn--primary:hover {
    background: var(--color-green-dark);
    border-color: var(--color-green-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(89,176,49,0.35);
}

.btn--outline {
    background: transparent;
    color: var(--color-charcoal);
    border-color: var(--color-charcoal);
}

.btn--outline:hover {
    background: var(--color-charcoal);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--outline-white {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.5);
}

.btn--outline-white:hover {
    background: var(--color-white);
    color: var(--color-charcoal);
    border-color: var(--color-white);
}

.btn--small {
    padding: 0.6rem 1.25rem;
    font-size: var(--text-sm);
}

.btn--large {
    padding: 1.1rem 2.5rem;
    font-size: var(--text-lg);
}

/* ---- NAVIGATION ---- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: var(--z-nav);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav__inner {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    height: 72px;
}

.nav__logo img {
    width: 48px;
    height: 48px;
    transition: transform var(--transition);
}

.nav__logo:hover img {
    transform: rotate(-5deg) scale(1.05);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-left: auto;
}

.nav__link {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-charcoal);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    position: relative;
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-green);
}

.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 50%; right: 50%;
    height: 2px;
    background: var(--color-green);
    border-radius: 2px;
    transition: left var(--transition), right var(--transition);
}

.nav__link:hover::after,
.nav__link.active::after {
    left: var(--space-3);
    right: var(--space-3);
}

/* Dropdown */
.nav__dropdown {
    position: relative;
}

.nav__dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    min-width: 240px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 10;
}

.nav__dropdown:hover .nav__dropdown-menu,
.nav__dropdown:focus-within .nav__dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown-menu li a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-charcoal);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav__dropdown-menu li a:hover {
    background: var(--color-green-bg);
    color: var(--color-green-dark);
}

.nav__arrow {
    font-size: 0.7em;
    transition: transform var(--transition-fast);
    display: inline-block;
}

.nav__dropdown:hover .nav__arrow {
    transform: rotate(180deg);
}

.nav__cta {
    margin-left: var(--space-4);
}

.nav__mobile-cta {
    display: none; /* visibile solo nel menu mobile (992px) */
}

/* Mobile toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    margin-left: auto;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-charcoal);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- CARDS ---- */
.card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: transparent;
}

.card__image {
    aspect-ratio: 16 / 9;
    background: var(--color-bg-section);
    overflow: hidden;
}

.card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card__image img {
    transform: scale(1.05);
}

.card__body {
    padding: var(--space-6);
}

.card__category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-green);
    margin-bottom: var(--space-2);
}

.card__title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: var(--space-3);
}

.card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-mid);
    line-height: 1.6;
}

.card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.tag {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    font-size: var(--text-xs);
    font-weight: 500;
    background: var(--color-bg-section);
    color: var(--color-text-mid);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}

/* ---- FORMS ---- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-charcoal);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text);
    background: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    appearance: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(89,176,49,0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--color-green);
    cursor: pointer;
}

.form-error {
    font-size: var(--text-sm);
    color: #DC2626;
    display: none;
}

.form-group.has-error .form-error { display: block; }
.form-group.has-error .form-input,
.form-group.has-error .form-textarea { border-color: #DC2626; }

/* ---- COOKIE BANNER ---- */
.cookie-banner {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--color-charcoal-dark);
    color: var(--color-white);
    z-index: var(--z-cookie);
    padding: var(--space-4) var(--space-6);
    padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner__inner {
    max-width: var(--container-max);
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.cookie-banner__text {
    flex: 1;
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.85);
    min-width: 200px;
}

.cookie-banner__link {
    color: var(--color-green-light);
}

.cookie-banner__actions {
    display: flex;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* ---- FOOTER ---- */
.footer {
    background: var(--color-charcoal-dark);
    color: rgba(255,255,255,0.75);
    padding-top: clamp(var(--space-16), 6vw, var(--space-24));
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-10);
    padding-bottom: var(--space-12);
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer__tagline {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.55);
    line-height: 1.6;
}

.footer__heading {
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: var(--space-5);
}

.footer__nav ul,
.footer__services ul,
.footer__contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__nav a,
.footer__services a,
.footer__contact a {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.65);
    transition: color var(--transition-fast);
}

.footer__nav a:hover,
.footer__services a:hover,
.footer__contact a:hover {
    color: var(--color-green-light);
}

.footer__address {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
    margin-top: var(--space-2);
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: var(--space-5) 0;
}

.footer__bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
}

.footer__bottom p {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.4);
}

.footer__privacy {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.4);
}

.footer__privacy:hover {
    color: var(--color-green-light);
}

/* ---- PAGE HEADER (sezioni interne) ---- */
.page-header {
    background: var(--color-charcoal);
    padding: clamp(var(--space-16), 8vw, var(--space-24)) 0 clamp(var(--space-10), 5vw, var(--space-16));
    position: relative;
    overflow: hidden;
}

.page-header .container {
    position: relative;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-header p {
    color: rgba(255,255,255,0.7);
    font-size: var(--text-lg);
    max-width: 55ch;
}

/* ---- BREADCRUMB ---- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.5);
    margin-bottom: var(--space-5);
}

.breadcrumb a {
    color: rgba(255,255,255,0.5);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-green-light);
}

.breadcrumb__sep {
    opacity: 0.4;
}

/* ---- CTA SECTION ---- */
.cta-section {
    background: var(--color-charcoal);
    text-align: center;
    padding: clamp(var(--space-16), 8vw, var(--space-24)) 0;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta-section p {
    color: rgba(255,255,255,0.7);
    font-size: var(--text-lg);
    max-width: 45ch;
    margin-inline: auto;
    margin-bottom: var(--space-8);
}

.cta-section .btn-group {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- SERVIZIO-HERO (safety net: usato da privacy/demo/404 che non caricano servizi.css) ---- */
.servizio-hero {
    background: var(--color-charcoal);
    padding: clamp(var(--space-16), 12vw, var(--space-24)) 0 clamp(var(--space-12), 8vw, var(--space-20));
    position: relative;
    overflow: hidden;
}
.servizio-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 80% 50%, rgba(89,176,49,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.servizio-hero__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-10);
    align-items: center;
}
.servizio-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(89,176,49,0.12);
    border: 1px solid rgba(89,176,49,0.25);
    border-radius: var(--radius-full);
    padding: var(--space-1) var(--space-4);
    font-size: var(--text-xs);
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-green-light);
    margin-bottom: var(--space-5);
}
.servizio-hero h1 {
    color: var(--color-white);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    margin-bottom: var(--space-5);
    line-height: 1.15;
}
.servizio-hero__sub {
    color: rgba(255,255,255,0.7);
    font-size: var(--text-lg);
    max-width: 55ch;
    line-height: 1.7;
    margin-bottom: var(--space-8);
}
.servizio-hero__actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.servizio-hero__icon {
    width: 120px;
    height: 120px;
    background: rgba(89,176,49,0.1);
    border: 1px solid rgba(89,176,49,0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.servizio-hero__icon svg {
    width: 64px;
    height: 64px;
    stroke: var(--color-green);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.servizio-hero .breadcrumb {
    margin-bottom: var(--space-6);
}
.servizio-hero .breadcrumb a,
.servizio-hero .breadcrumb__sep,
.servizio-hero .breadcrumb span {
    color: rgba(255,255,255,0.5);
}
.servizio-hero .breadcrumb a:hover {
    color: var(--color-green-light);
}