/* ============================================================
   RELL S.R.L. — components.css
   Header, nav, buttons, cards, forms, footer, breadcrumb
   ============================================================ */

/* ── HEADER ─────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: rgba(10,12,15,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-sticky);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}
.header.scrolled {
    background: rgba(10,12,15,0.98);
    box-shadow: 0 2px 32px rgba(0,0,0,0.5);
}
.header .container {
    height: 100%;
}
.header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}
.header__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

/* ── LOGO TESTUALE HTML/CSS ──────────────────────────────── */
.logo-text {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    line-height: 1;
    text-decoration: none;
}
.logo-text__rell {
    font-family: 'Barlow', 'Arial Black', sans-serif;
    font-size: clamp(2.6rem, 5vw, 3.6rem);
    font-weight: 900;
    font-style: normal;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: #fff;
    line-height: 1;
    display: block;
}
.logo-text__rell .logo-accent {
    color: var(--color-accent);
}
.logo-text__vdivider {
    display: block;
    width: 2px;
    height: 2.4rem;
    background: linear-gradient(180deg, transparent 0%, var(--color-accent) 30%, var(--color-accent) 70%, transparent 100%);
    flex-shrink: 0;
    align-self: center;
}
.logo-text__meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-top: 2px;
}
.logo-text__srl {
    font-family: 'Barlow', 'Arial', sans-serif;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: block;
}
.logo-text__claim {
    font-family: 'Inter', sans-serif;
    font-size: 0.52rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text-dim);
    display: block;
    white-space: nowrap;
}

.header__logo-text {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-black);
    letter-spacing: var(--tracking-wider);
    color: var(--color-text);
    line-height: 1;
}
.header__logo-sub {
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
}

/* ── NAV ─────────────────────────────────────────────────── */
.nav { display: flex; align-items: center; gap: var(--space-1); }
.nav__link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}
.nav__link:hover, .nav__link.active {
    color: var(--color-text);
    background: var(--color-surface-2);
}
.nav__link--cta {
    background: var(--color-accent);
    color: #fff !important;
    padding: var(--space-2) var(--space-5);
    margin-left: var(--space-4);
}
.nav__link--cta:hover {
    background: var(--color-accent-light) !important;
}

/* ── HAMBURGER ───────────────────────────────────────────── */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-fast), width var(--transition-base);
    transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE MENU ─────────────────────────────────────────── */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: rgba(10,12,15,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: calc(var(--z-sticky) - 1);
    padding: var(--space-6);
    flex-direction: column;
    gap: var(--space-2);
    transform: translateY(-8px);
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
}
.mobile-menu.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
}
.mobile-menu .nav__link {
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-4);
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-8);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.08);
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.btn:hover::after { opacity: 1; }

.btn--primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(200,88,26,0.3);
}
.btn--primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 28px rgba(200,88,26,0.4);
    color: #fff;
}
.btn--outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border-light);
}
.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    transform: translateY(-1px);
}
.btn--ghost {
    background: transparent;
    color: var(--color-text-muted);
    border-color: transparent;
}
.btn--ghost:hover { color: var(--color-text); }
.btn--lg { padding: var(--space-4) var(--space-10); font-size: var(--text-lg); }
.btn--sm { padding: var(--space-2) var(--space-5); font-size: var(--text-sm); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ── CARDS SERVIZI ───────────────────────────────────────── */
.service-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-dark);
}
.service-card__img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}
.service-card:hover .service-card__img { transform: scale(1.04); }
.service-card__body { padding: var(--space-6); }
.service-card__icon {
    width: 48px; height: 48px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(200,88,26,0.25);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--color-accent-light);
}
.service-card__icon svg { width: 24px; height: 24px; }
.service-card__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}
.service-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
    max-width: 100%;
}
.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-accent-light);
    transition: gap var(--transition-fast), color var(--transition-fast);
}
.service-card__link:hover { gap: var(--space-4); color: var(--color-accent); }
.service-card__link svg { width: 16px; height: 16px; }
.service-card__accent-bar {
    position: absolute;
    bottom: 0; left: 0;
    height: 2px; width: 0;
    background: var(--color-accent);
    transition: width var(--transition-slow);
}
.service-card:hover .service-card__accent-bar { width: 100%; }

/* ── CARDS SETTORI ───────────────────────────────────────── */
.sector-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
.sector-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent-dark);
    box-shadow: var(--shadow-accent-sm);
}
.sector-card__icon {
    width: 64px; height: 64px;
    margin: 0 auto var(--space-5);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex; align-items: center; justify-content: center;
    color: var(--color-accent-light);
    transition: background var(--transition-base), border-color var(--transition-base);
}
.sector-card:hover .sector-card__icon {
    background: var(--color-accent-glow);
    border-color: rgba(200,88,26,0.3);
}
.sector-card__icon svg { width: 28px; height: 28px; }
.sector-card__title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}
.sector-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
    max-width: 100%;
}

/* ── STATS ───────────────────────────────────────────────── */
.stats-bar {
    background: var(--color-surface);
    border-block: 1px solid var(--color-border);
    padding-block: var(--space-12);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-6);
}
.stat-item {
    text-align: center;
    padding: var(--space-4);
    position: relative;
}
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0; top: 20%; bottom: 20%;
    width: 1px;
    background: var(--color-border);
}
.stat-value {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: var(--weight-black);
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-2);
    display: block;
}
.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-weight: var(--weight-medium);
}

/* ── USP BLOCK ───────────────────────────────────────────── */
.usp-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); gap: var(--space-6); }
.usp-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-base);
}
.usp-item:hover { border-color: var(--color-accent-dark); }
.usp-item__icon {
    flex-shrink: 0;
    width: 44px; height: 44px;
    background: var(--color-accent-glow);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--color-accent-light);
}
.usp-item__icon svg { width: 22px; height: 22px; }
.usp-item__title {
    font-family: var(--font-display);
    font-weight: var(--weight-semibold);
    font-size: var(--text-base);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}
.usp-item__desc { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ── CTA BANNER ─────────────────────────────────────────── */
.cta-banner {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-16) var(--space-12);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 300px;
    background: radial-gradient(ellipse at center, rgba(200,88,26,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.cta-banner__title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
    font-weight: var(--weight-black);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}
.cta-banner__desc {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
    max-width: 60ch;
    margin-inline: auto;
}
.cta-banner__actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; }

/* ── BREADCRUMB ─────────────────────────────────────────── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-dim);
    flex-wrap: wrap;
}
.breadcrumb__sep { color: var(--color-border-light); }
.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-accent-light); }
.breadcrumb__current { color: var(--color-text); }

/* ── FORM ────────────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-5); }
.form-row { display: grid; gap: var(--space-5); grid-template-columns: 1fr 1fr; }
.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}
.form-label .required { color: var(--color-accent); margin-left: 2px; }
.form-input, .form-select, .form-textarea {
    width: 100%;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-dim); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(200,88,26,0.15);
}
.form-input.error, .form-select.error, .form-textarea.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238A9BB0' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: var(--space-10);
    cursor: pointer;
}
.form-select option { background: var(--color-surface-2); }
.form-error { font-size: var(--text-xs); color: var(--color-error); margin-top: var(--space-1); display: none; }
.form-error.visible { display: block; }
.form-checkbox { display: flex; gap: var(--space-3); align-items: flex-start; }
.form-checkbox input[type="checkbox"] {
    width: 18px; height: 18px;
    accent-color: var(--color-accent);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
}
.form-checkbox label { font-size: var(--text-sm); color: var(--color-text-muted); cursor: pointer; }
.form-checkbox a { color: var(--color-accent-light); }
.form-file-upload {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-10);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-base), background var(--transition-base);
    position: relative;
}
.form-file-upload:hover, .form-file-upload.dragover {
    border-color: var(--color-accent);
    background: var(--color-accent-glow);
}
.form-file-upload input[type="file"] {
    position: absolute; inset: 0; opacity: 0; cursor: pointer;
}
.form-file-icon { color: var(--color-accent-light); margin-bottom: var(--space-3); }
.form-file-icon svg { width: 40px; height: 40px; }
.form-file-text { font-size: var(--text-sm); color: var(--color-text-muted); }
.form-file-text strong { color: var(--color-accent-light); }
.form-file-name {
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-success);
    display: none;
}
.form-file-name.visible { display: block; }
.form-submit-wrap { margin-top: var(--space-8); }

/* ── ALERT MESSAGES ─────────────────────────────────────── */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    margin-bottom: var(--space-5);
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert--success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.alert--error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.3);  color: #fca5a5; }
.alert--info    { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #93c5fd; }

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-20);
}
.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}
.footer__logo-wrap {
    margin-bottom: var(--space-5);
}
.footer__logo-link {
    text-decoration: none;
    display: inline-block;
}
.logo-text--footer .logo-text__rell {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
}
.logo-text--footer .logo-text__vdivider {
    height: 1.5rem;
}
.footer__tagline { font-size: var(--text-sm); color: var(--color-text-dim); margin-bottom: var(--space-6); max-width: 32ch; }
.footer__col-title {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--color-accent);
    margin-bottom: var(--space-5);
}
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__links a {
    font-size: var(--text-sm);
    color: var(--color-text-dim);
    transition: color var(--transition-fast);
}
.footer__links a:hover { color: var(--color-text); }
.footer__contact-item {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    margin-bottom: var(--space-4);
}
.footer__contact-item svg { width: 16px; height: 16px; color: var(--color-accent-light); margin-top: 2px; flex-shrink: 0; }
.footer__contact-item span { font-size: var(--text-sm); color: var(--color-text-dim); line-height: 1.5; }
.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding-block: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.footer__copy { font-size: var(--text-xs); color: var(--color-text-dim); }
.footer__legal { display: flex; gap: var(--space-6); }
.footer__legal a { font-size: var(--text-xs); color: var(--color-text-dim); transition: color var(--transition-fast); }
.footer__legal a:hover { color: var(--color-accent-light); }

/* ── COOKIE BANNER ───────────────────────────────────────── */
.cookie-banner {
    position: fixed;
    bottom: var(--space-6);
    left: var(--space-6);
    right: var(--space-6);
    max-width: 600px;
    background: var(--color-surface-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    z-index: var(--z-toast);
    box-shadow: var(--shadow-xl);
    transform: translateY(120%);
    transition: transform var(--transition-slow);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner__title {
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}
.cookie-banner__text { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); max-width: 100%; }
.cookie-banner__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ── REVEAL ANIMATIONS ───────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ── TECH BADGE ──────────────────────────────────────────── */
.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}
.tech-badge svg { width: 14px; height: 14px; color: var(--color-accent-light); }