/* ============================================================================
   ATLATECH SRL — HOME PAGE
   ============================================================================
   Stili specifici della homepage. Usa esclusivamente i token CSS del
   design system (style.css). Nessun valore hardcoded.
   ============================================================================ */

/* ==========================================================================
   HERO — copre viewport, typing effect, rings animati
   ========================================================================== */
.hero-home {
    position: relative;
    min-height: 100vh;
    padding-block: calc(var(--section-py) + var(--space-6)) var(--section-py);
    display: flex;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
}

.hero-particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.55;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    filter: blur(140px);
    opacity: 0.45;
    z-index: 0;
    pointer-events: none;
}
.hero-orb--1 { width: 480px; height: 480px; top: -120px; left: -160px; }
.hero-orb--2 { width: 560px; height: 560px; bottom: -180px; right: -180px; }
.hero-orb--3 { width: 320px; height: 320px; top: 30%; right: 20%; opacity: 0.25; }

.hero-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    z-index: 0;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    align-items: center;
    gap: var(--space-9);
}

.hero-content > .badge { margin-bottom: var(--space-5); }

.hero-title {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: baseline;
    margin-bottom: var(--space-5);
    line-height: 0.95;
}
.hero-static { color: var(--color-text); }
.hero-typed {
    background: linear-gradient(120deg,
        var(--color-primary)   0%,
        var(--color-accent-1) 50%,
        var(--color-accent-2) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: hero-gradient-shift 8s linear infinite;
    position: relative;
}
.hero-typed::after {
    content: '';
    display: inline-block;
    width: 3px;
    height: 0.85em;
    margin-left: 4px;
    background: var(--color-primary);
    animation: hero-caret 0.9s steps(2, end) infinite;
    vertical-align: -0.08em;
}

@keyframes hero-gradient-shift {
    0%   { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}
@keyframes hero-caret {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

.hero-lead {
    max-width: 560px;
    margin-bottom: var(--space-6);
}

.hero-actions {
    margin-bottom: var(--space-9);
}

/* Stats counter */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}
.hero-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}
.hero-stat-value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--fw-bold);
    letter-spacing: var(--letter-tight);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    line-height: 1;
}
.hero-stat-label {
    font-size: var(--fs-xs);
    color: var(--color-text-dim);
    letter-spacing: var(--letter-wide);
    text-transform: uppercase;
}

/* Hero visual: anelli concentrici animati */
.hero-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    animation: hero-ring-rotate 22s linear infinite;
}
.hero-ring::before {
    content: '';
    position: absolute;
    top: -4px; left: 50%;
    transform: translateX(-50%);
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 20px var(--color-primary-glow);
}
.hero-ring--1 { inset: 6%;  animation-duration: 30s; }
.hero-ring--2 { inset: 16%; animation-duration: 22s; animation-direction: reverse; border-color: rgba(139,92,246,0.18); }
.hero-ring--2::before { background: var(--color-accent-1); box-shadow: 0 0 20px var(--color-accent-1-glow); }
.hero-ring--3 { inset: 28%; animation-duration: 18s; border-color: rgba(6,182,212,0.18); }
.hero-ring--3::before { background: var(--color-accent-2); box-shadow: 0 0 20px var(--color-accent-2-glow); }

@keyframes hero-ring-rotate {
    to { transform: rotate(360deg); }
}

.hero-ring-core {
    position: relative;
    width: 38%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-strong);
    border-radius: 50%;
    padding: 14%;
    box-shadow: var(--shadow-lg), var(--shadow-glow-soft);
    animation: hero-core-pulse 3.5s var(--ease-standard) infinite;
}
.hero-ring-core svg { width: 100%; height: 100%; }
@keyframes hero-core-pulse {
    0%, 100% { box-shadow: var(--shadow-lg), 0 0 20px var(--color-primary-glow); }
    50%      { box-shadow: var(--shadow-lg), 0 0 40px var(--color-primary-glow); }
}

/* Scroll hint */
.hero-scroll {
    position: absolute;
    bottom: var(--space-6); left: 50%;
    transform: translateX(-50%);
    width: 26px; height: 44px;
    border: 2px solid var(--color-text-dim);
    border-radius: 14px;
    z-index: 2;
}
.hero-scroll span {
    position: absolute;
    top: 8px; left: 50%;
    width: 4px; height: 8px;
    margin-left: -2px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: hero-scroll-dot 1.8s var(--ease-standard) infinite;
}
@keyframes hero-scroll-dot {
    0%   { transform: translateY(0);    opacity: 1; }
    60%  { transform: translateY(16px); opacity: 0; }
    100% { transform: translateY(0);    opacity: 0; }
}

/* ==========================================================================
   VALUE PROPOSITION — "Lo costruiamo insieme"
   ========================================================================== */
.section-value { position: relative; }
.value-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-9);
    align-items: center;
}
.value-col--text h2 { font-size: var(--fs-4xl); }
.value-col--text .lead { margin-block: var(--space-4); }

.value-list {
    margin-top: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    font-size: var(--fs-md);
    color: var(--color-text);
}
.value-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}
.value-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px; height: 22px;
    background: var(--color-primary-soft);
    border: 1px solid rgba(201,168,76,0.35);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    flex-shrink: 0;
}

/* Floating visual cards */
.value-col--visual {
    position: relative;
    aspect-ratio: 1.05 / 1;
}
.value-card {
    position: absolute;
    padding: var(--space-5);
    min-width: 220px;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--color-border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    animation: value-float 7s var(--ease-standard) infinite;
}
.value-card h4 { font-size: var(--fs-md); margin-bottom: var(--space-1); }
.value-card p  { font-size: var(--fs-xs); }
.value-card-dot {
    width: 10px; height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
    margin-bottom: var(--space-3);
    box-shadow: 0 0 12px var(--color-primary-glow);
}
.value-card--1 { top: 8%;   left: 0%;   animation-delay: 0s;    }
.value-card--2 { top: 42%;  right: 0%;  animation-delay: 1.5s; }
.value-card--2 .value-card-dot { background: var(--color-accent-1); box-shadow: 0 0 12px var(--color-accent-1-glow); }
.value-card--3 { bottom: 6%; left: 12%; animation-delay: 3s;   }
.value-card--3 .value-card-dot { background: var(--color-accent-2); box-shadow: 0 0 12px var(--color-accent-2-glow); }

@keyframes value-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}

.value-connector {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    z-index: -1;
    animation: value-spin 45s linear infinite;
}
@keyframes value-spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   SERVIZI — Cards con spotlight + tilt
   ========================================================================== */
.services-grid { gap: var(--space-5); }
.service-card {
    display: block;
    color: inherit;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    text-decoration: none;
    transition: transform var(--dur-base) var(--ease-out);
}
.service-card .service-card-inner {
    position: relative;
    padding: var(--space-6);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--r-lg);
    transition: var(--transition-base);
    height: 100%;
}
.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--r-lg);
    background: radial-gradient(600px circle at var(--spotlight-x, 50%) var(--spotlight-y, 50%),
        rgba(201,168,76,0.12), transparent 40%);
    opacity: 0;
    transition: opacity var(--dur-base) var(--ease-standard);
    pointer-events: none;
    z-index: 1;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover .service-card-inner {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.service-card:hover .card-icon {
    background: rgba(201,168,76,0.18);
    box-shadow: var(--shadow-glow-soft);
}

/* ==========================================================================
   SOLUZIONI — asimmetrico
   ========================================================================== */
.solutions-asymmetric {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    grid-auto-rows: minmax(260px, auto);
    gap: var(--space-5);
}
.solutions-asymmetric .solution-card:nth-child(1) { grid-row: span 2; }
.solutions-asymmetric .solution-card:nth-child(2),
.solutions-asymmetric .solution-card:nth-child(3) { grid-column: 2; }

.solution-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-7);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--r-xl);
    overflow: hidden;
    isolation: isolate;
    transition: var(--transition-base);
}
.solution-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.5;
    z-index: -1;
}
.solution-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-border);
    opacity: 0;
    transition: opacity var(--dur-base);
    z-index: -2;
    border-radius: inherit;
}
.solution-card:hover {
    transform: translateY(-4px);
    border-color: transparent;
    box-shadow: var(--shadow-lg);
}
.solution-card:hover::after { opacity: 1; }
.solution-card .badge { align-self: flex-start; margin-bottom: var(--space-4); }
.solution-card h3 { font-size: var(--fs-2xl); margin-bottom: var(--space-3); }
.solution-card--lg h3 { font-size: var(--fs-3xl); }
.solution-card p { margin-bottom: var(--space-4); max-width: 52ch; }

/* ==========================================================================
   WORKFLOW — Timeline
   ========================================================================== */
.workflow-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
    counter-reset: wfs;
}
.workflow-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(to right,
        transparent 0%,
        var(--color-primary) 15%,
        var(--color-accent-1) 50%,
        var(--color-accent-2) 85%,
        transparent 100%);
    opacity: 0.4;
    z-index: 0;
}
.workflow-step {
    position: relative;
    padding: var(--space-5);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--r-lg);
    z-index: 1;
    transition: var(--transition-base);
}
.workflow-step:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-md);
}
.workflow-num {
    display: inline-block;
    font-family: var(--font-display);
    font-size: var(--fs-3xl);
    font-weight: var(--fw-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: var(--space-3);
    line-height: 1;
}
.workflow-body h4 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.workflow-body p  { font-size: var(--fs-sm); }

/* ==========================================================================
   INNOVAZIONE TEASER
   ========================================================================== */
.innovation-teaser {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-8);
    align-items: center;
    padding: var(--space-9) 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);
    position: relative;
    overflow: hidden;
}
.innovation-teaser::before {
    content: '';
    position: absolute;
    top: -80px; left: -80px;
    width: 320px; height: 320px;
    background: var(--color-accent-1-glow);
    filter: blur(120px);
    pointer-events: none;
}
.innovation-teaser h2 { font-size: var(--fs-3xl); margin-bottom: var(--space-4); }

.innovation-teaser-visual {
    position: relative;
    aspect-ratio: 1.3 / 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    place-items: center;
    gap: var(--space-8);
}
.innovation-node {
    position: relative;
    width: 72px; height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-strong);
    color: var(--color-text);
    box-shadow: var(--shadow-md);
    animation: innovation-pulse 4s var(--ease-standard) infinite;
}
.innovation-node::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px dashed currentColor;
    opacity: 0.3;
    animation: innovation-rotate 20s linear infinite;
}
.innovation-node--ai  { color: var(--color-accent-1); }
.innovation-node--iot { color: var(--color-accent-2); animation-delay: 1s; }
.innovation-node--edge{ color: var(--color-primary); animation-delay: 2s; }
.innovation-node--sec { color: var(--color-success); animation-delay: 3s; }

@keyframes innovation-pulse {
    0%, 100% { box-shadow: var(--shadow-md), 0 0 0 currentColor; }
    50%      { box-shadow: var(--shadow-md), 0 0 24px currentColor; }
}
@keyframes innovation-rotate { to { transform: rotate(360deg); } }

.innovation-graph {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.35;
}

/* ==========================================================================
   BLOG PREVIEW
   ========================================================================== */
.blog-preview-grid { gap: var(--space-6); }
.blog-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-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
}
.blog-card-media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--gradient-hero);
    overflow: hidden;
}
.blog-card-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 40%, var(--color-primary-glow), transparent 50%),
        radial-gradient(circle at 70% 60%, var(--color-accent-1-glow), transparent 50%);
    opacity: 0.7;
    transition: transform var(--dur-slow) var(--ease-standard);
}
.blog-card:hover .blog-card-gradient { transform: scale(1.05); }
.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-card-body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1;
}
.blog-card-body h3 {
    font-size: var(--fs-lg);
    margin-block: var(--space-2);
}
.blog-card-body h3 a { color: var(--color-text); }
.blog-card-body h3 a:hover { color: var(--color-primary); }
.blog-card-body p { font-size: var(--fs-sm); flex: 1; }

/* ==========================================================================
   CTA FINALE
   ========================================================================== */
.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: 0.3;
    border-radius: inherit;
    z-index: -1;
}
.cta-glow {
    width: 500px; height: 500px;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    opacity: 0.45;
}
.cta-final h2 {
    font-size: var(--fs-4xl);
    margin-bottom: var(--space-4);
    max-width: 20ch;
    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) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { max-width: 420px; margin-inline: auto; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .value-grid { grid-template-columns: 1fr; }
    .value-col--visual { max-width: 480px; margin-inline: auto; width: 100%; }
    .solutions-asymmetric { grid-template-columns: 1fr; }
    .solutions-asymmetric .solution-card:nth-child(1) { grid-row: auto; }
    .solutions-asymmetric .solution-card:nth-child(2),
    .solutions-asymmetric .solution-card:nth-child(3) { grid-column: 1; }
    .workflow-timeline { grid-template-columns: repeat(2, 1fr); }
    .workflow-timeline::before { display: none; }
    .innovation-teaser { grid-template-columns: 1fr; }
    .innovation-teaser-visual { max-width: 360px; margin-inline: auto; }
}

@media (max-width: 640px) {
    .hero-home { min-height: auto; padding-block: calc(var(--space-11) + var(--space-5)) var(--space-9); }
    .hero-title { flex-direction: column; gap: var(--space-2); }
    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
    .workflow-timeline { grid-template-columns: 1fr; }
    .blog-preview-grid { grid-template-columns: 1fr; }
    .cta-final { padding: var(--space-8) var(--space-5); }
    .cta-final h2 { font-size: var(--fs-3xl); }
}