/* ============================================================================
   ATLATECH SRL — PAGINA INNOVAZIONE
   ============================================================================
   Stili specifici della pagina /innovazione.
   Usa esclusivamente token CSS del design system (style.css).
   ============================================================================ */

/* ==========================================================================
   HERO
   ========================================================================== */
.innov-hero {
    padding-block: calc(var(--space-11) + var(--space-6)) var(--space-10);
}
.innov-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(ellipse at 30% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 30% 40%, black 20%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}
.page-hero {
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -2;
}
.page-hero-orb {
    filter: blur(140px);
    opacity: 0.45;
    z-index: -1;
}
.page-hero-orb--1 { width: 420px; height: 420px; top: -120px; left: -140px; }
.page-hero-orb--2 { width: 480px; height: 480px; top: 20%; right: -160px; }
.page-hero-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    max-width: 880px;
    z-index: 2;
}
.page-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
}
.page-hero .lead { max-width: 68ch; }
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-sm);
    color: var(--color-text-dim);
}
.breadcrumb a { color: var(--color-text-dim); transition: color var(--dur-base) var(--ease-standard); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span[aria-current="page"] { color: var(--color-text-muted); }

/* ==========================================================================
   R&D SECTION
   ========================================================================== */
.rd-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-10);
    align-items: center;
}
.rd-text h2 { font-size: var(--fs-4xl); margin-bottom: var(--space-4); }
.rd-text .lead { margin-bottom: var(--space-5); }

.rd-pillars {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    margin-top: var(--space-7);
}
.rd-pillars li {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}
.rd-pillar-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: var(--color-primary-soft);
    border: 1px solid rgba(201,168,76,0.2);
    border-radius: var(--r-md);
    color: var(--color-primary);
}
.rd-pillar-icon svg { width: 20px; height: 20px; }
.rd-pillars h4 { font-size: var(--fs-base); margin-bottom: var(--space-1); }
.rd-pillars p  { font-size: var(--fs-sm); margin: 0; }

/* R&D Cycle Visual */
.rd-visual { display: flex; flex-direction: column; gap: var(--space-6); align-items: center; }
.rd-cycle {
    position: relative;
    width: 260px;
    height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.rd-cycle-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid var(--color-border);
}
.rd-cycle-ring--1 { animation: rd-rotate 25s linear infinite; }
.rd-cycle-ring--1::before {
    content: '';
    position: absolute;
    top: -5px; left: 50%;
    width: 10px; height: 10px;
    margin-left: -5px;
    border-radius: 50%;
    background: var(--color-accent-1);
    box-shadow: 0 0 16px var(--color-accent-1-glow);
}
.rd-cycle-ring--2 { inset: 20px; animation: rd-rotate 18s linear infinite reverse; border-color: rgba(139,92,246,0.2); }
.rd-cycle-ring--2::before {
    content: '';
    position: absolute;
    bottom: -5px; left: 50%;
    width: 8px; height: 8px;
    margin-left: -4px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 12px var(--color-primary-glow);
}
@keyframes rd-rotate { to { transform: rotate(360deg); } }

.rd-cycle-center {
    position: relative;
    z-index: 2;
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    background: var(--gradient-accent-tech);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-strong);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}
.rd-cycle-node {
    position: absolute;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--letter-wide);
    text-transform: uppercase;
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--r-full);
    color: var(--color-text-muted);
    white-space: nowrap;
}
.rd-cycle-node--1 { top: 10px; left: 50%; transform: translateX(-50%); color: var(--color-accent-1); }
.rd-cycle-node--2 { bottom: 40px; right: -20px; color: var(--color-primary); }
.rd-cycle-node--3 { bottom: 40px; left: -20px; color: var(--color-accent-2); }

.rd-stat-cards {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
}
.rd-stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-4) var(--space-5);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--r-lg);
    text-align: center;
    min-width: 100px;
}
.rd-stat-value {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    line-height: 1;
}
.rd-stat-label {
    font-size: var(--fs-xs);
    color: var(--color-text-dim);
    text-align: center;
    max-width: 100px;
}

/* ==========================================================================
   TECH TABS — radio input no-JS
   ========================================================================== */
.tech-tabs { position: relative; }
.tab-input { position: absolute; width: 0; height: 0; opacity: 0; pointer-events: none; }

.tech-tab-labels {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-7);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-1);
}
.tech-tab-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--r-md) var(--r-md) 0 0;
    border: 1px solid transparent;
    border-bottom: none;
    margin-bottom: -1px;
    transition: var(--transition-base);
    position: relative;
}
.tech-tab-label:hover { color: var(--color-text); background: var(--color-primary-soft); }
.tech-tab-label .tech-tab-icon { display: inline-flex; }
.tech-tab-label .tech-tab-icon svg { width: 16px; height: 16px; }

/* Show active tab panel */
.tech-tab-panel { display: none; }

#tab-ai-ml:checked    ~ .tech-tab-panels #panel-ai-ml     { display: block; }
#tab-edge:checked     ~ .tech-tab-panels #panel-edge      { display: block; }
#tab-blockchain:checked ~ .tech-tab-panels #panel-blockchain { display: block; }
#tab-quantum:checked  ~ .tech-tab-panels #panel-quantum   { display: block; }

/* Style active labels */
#tab-ai-ml:checked    ~ .tech-tab-labels label[for="tab-ai-ml"],
#tab-edge:checked     ~ .tech-tab-labels label[for="tab-edge"],
#tab-blockchain:checked ~ .tech-tab-labels label[for="tab-blockchain"],
#tab-quantum:checked  ~ .tech-tab-labels label[for="tab-quantum"] {
    color: var(--color-primary);
    background: var(--color-bg-card);
    border-color: var(--color-border);
    border-bottom-color: var(--color-bg);
}

.tech-panel-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-8);
    align-items: start;
    padding: var(--space-7);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--r-xl);
}
.tech-panel-text h3 { font-size: var(--fs-3xl); margin-bottom: var(--space-4); }
.tech-panel-text .lead { margin-bottom: var(--space-6); }

.tech-features { display: flex; flex-direction: column; gap: var(--space-4); }
.tech-feature-item { display: flex; gap: var(--space-4); align-items: flex-start; }
.tech-feature-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent-1);
    box-shadow: 0 0 10px var(--color-accent-1-glow);
    flex-shrink: 0;
    margin-top: 6px;
}
.tech-feature-item h5 { font-size: var(--fs-base); margin-bottom: var(--space-1); color: var(--color-text); }
.tech-feature-item p  { font-size: var(--fs-sm); margin: 0; }

.tech-panel-stack {
    padding: var(--space-6);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--r-lg);
}
.tech-panel-stack .label { display: block; margin-bottom: var(--space-4); }
.tech-stack-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.tech-chip {
    display: inline-block;
    padding: 0.3em 0.8em;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--color-accent-2);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-radius: var(--r-full);
}
.tech-chip--sm { font-size: 0.7rem; padding: 0.2em 0.6em; }

/* ==========================================================================
   PROGETTI DI RICERCA
   ========================================================================== */
.progetti-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}
.progetto-card {
    padding: var(--space-6);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--r-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    transition: var(--transition-base);
}
.progetto-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
}
.progetto-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
}
.progetto-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--letter-wide);
    text-transform: uppercase;
}
.progetto-status--live  { color: var(--color-success); }
.progetto-status--done  { color: var(--color-accent-2); }
.progetto-status--research { color: var(--color-accent-1); }
.progetto-card h3 { font-size: var(--fs-xl); }
.progetto-card time { color: var(--color-text-dim); }
.progetto-card p { font-size: var(--fs-sm); flex: 1; }
.progetto-tech { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-2); }

/* ==========================================================================
   COLLABORAZIONI
   ========================================================================== */
.collab-card { display: flex; flex-direction: column; gap: var(--space-4); }
.collab-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.collab-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--r-md);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    letter-spacing: var(--letter-wide);
    flex-shrink: 0;
    border: 1px solid var(--color-border);
}
.collab-logo--primary  { background: var(--color-primary-soft); color: var(--color-primary); }
.collab-logo--tech     { background: rgba(6,182,212,0.10); color: var(--color-accent-2); }
.collab-logo--secondary { background: rgba(45,74,62,0.20); color: #5A8874; }
.collab-logo--accent   { background: rgba(139,92,246,0.10); color: var(--color-accent-1); }
.collab-header .small { color: var(--color-text-dim); }
.collab-header h4 { font-size: var(--fs-base); margin: 0; }
.collab-aree { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ==========================================================================
   BLOG TEASER
   ========================================================================== */
.blog-teaser-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: var(--transition-base);
}
.blog-teaser-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
}
.blog-teaser-media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.blog-teaser-gradient {
    position: absolute;
    inset: 0;
    transition: transform var(--dur-slow) var(--ease-standard);
}
.blog-teaser-gradient--1 { background: radial-gradient(circle at 30% 40%, var(--color-accent-1-glow), transparent 50%), radial-gradient(circle at 70% 60%, var(--color-primary-glow), transparent 50%); }
.blog-teaser-gradient--2 { background: radial-gradient(circle at 50% 30%, rgba(6,182,212,0.4), transparent 50%), radial-gradient(circle at 70% 70%, var(--color-accent-1-glow), transparent 50%); }
.blog-teaser-gradient--3 { background: radial-gradient(circle at 20% 60%, var(--color-primary-glow), transparent 50%), radial-gradient(circle at 80% 30%, rgba(6,182,212,0.3), transparent 50%); }
.blog-teaser-card:hover .blog-teaser-gradient { transform: scale(1.06); }
.blog-card-cat {
    position: absolute;
    bottom: var(--space-3); left: var(--space-3);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--letter-wide);
    text-transform: uppercase;
    padding: 0.35em 0.8em;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--r-full);
    color: var(--color-primary);
}
.blog-teaser-body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1;
}
.blog-teaser-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-dim);
}
.blog-teaser-body h3 { font-size: var(--fs-lg); margin: 0; }
.blog-teaser-body h3 a { color: var(--color-text); }
.blog-teaser-body h3 a:hover { color: var(--color-primary); }
.blog-teaser-body p { font-size: var(--fs-sm); flex: 1; }

/* ==========================================================================
   CTA FINALE (shared pattern)
   ========================================================================== */
.section-cta-final { padding-block: var(--section-py); }
.cta-final {
    position: relative;
    text-align: center;
    padding: var(--space-11) var(--space-7);
    border-radius: var(--r-2xl);
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--glass-blur-lg));
    -webkit-backdrop-filter: blur(var(--glass-blur-lg));
    border: 1px solid var(--color-border);
    overflow: hidden;
    isolation: isolate;
}
.cta-final::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: var(--gradient-border);
    opacity: 0.25;
    border-radius: inherit;
    z-index: -1;
}
.cta-glow {
    width: 500px; height: 500px;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    opacity: 0.4;
}
.cta-final h2 { font-size: var(--fs-4xl); margin-bottom: var(--space-4); max-width: 22ch; margin-inline: auto; }
.cta-final p.lead { max-width: 54ch; margin: 0 auto var(--space-6); }
.cta-final .btn-group { justify-content: center; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
    .rd-grid { grid-template-columns: 1fr; }
    .rd-visual { display: none; }
    .tech-panel-grid { grid-template-columns: 1fr; }
    .progetti-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .tech-tab-labels { gap: var(--space-1); }
    .tech-tab-label { padding: var(--space-2) var(--space-3); font-size: var(--fs-xs); }
    .progetti-grid { grid-template-columns: 1fr; }
    .cta-final { padding: var(--space-8) var(--space-5); }
    .cta-final h2 { font-size: var(--fs-3xl); }
}
@media (max-width: 640px) {
    .page-hero h1 { font-size: var(--fs-3xl); }
    .tech-panel-grid { padding: var(--space-5); }
}