/* ═══════════════════════════════════════════
   DataDeep — Homepage Styles
   ═══════════════════════════════════════════ */

/* ─── HERO ─── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--dd-gradient-hero);
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(187, 49, 199, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -15%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(123, 47, 217, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(rgba(187, 49, 199, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 100%);
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content { color: var(--dd-white); }

.hero-content h1 {
    color: var(--dd-white);
    margin-bottom: 24px;
}

.hero-desc {
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.7);
    max-width: 520px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mockup {
    width: 100%;
    max-width: 560px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.06);
    position: relative;
    z-index: 2;
}

.hero-mockup img { width: 100%; display: block; }

/* Ring pulses behind mockup */
.hero-rings {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

/* ─── AI PRIVATA PILLARS ─── */
.pillars-section {
    background: var(--dd-off-white);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 1100px;
    margin: 0 auto;
}

.pillar-card {
    background: var(--dd-white);
    border: 1px solid rgba(10, 10, 40, 0.06);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--dd-gradient-icon);
    opacity: 0;
    transition: opacity 0.3s var(--ease-smooth);
}

.pillar-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pillar-card:hover::before { opacity: 1; }

.pillar-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pillar-card p {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--dd-muted);
}

/* ─── DEPARTMENT GRID ─── */
.dept-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
    max-width: 1200px;
    margin: 0 auto;
}

.dept-card {
    background: var(--dd-white);
    border: 1px solid rgba(10, 10, 40, 0.06);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.dept-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--dd-gradient-icon);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-smooth);
}

.dept-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.dept-card:hover::after { transform: scaleX(1); }

.dept-card .icon-box { margin: 0 auto var(--space-4); }

.dept-card h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.dept-card p {
    font-size: var(--font-size-sm);
    color: var(--dd-muted);
    line-height: var(--line-height-normal);
}

.dept-card.dept-custom {
    border-style: dashed;
    border-color: rgba(187, 49, 199, 0.2);
}

/* ─── ECOSYSTEM ─── */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
    max-width: 1200px;
    margin: 0 auto;
}

.eco-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative;
}

.eco-card:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-4px);
}

.eco-card .eco-num {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-4);
    background: var(--dd-gradient-icon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
}

.eco-card .eco-label {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
}

.eco-card:nth-child(1) .eco-label { color: var(--dd-pink); }
.eco-card:nth-child(2) .eco-label { color: var(--dd-purple-light); }
.eco-card:nth-child(3) .eco-label { color: var(--dd-blue-light); }
.eco-card:nth-child(4) .eco-label { color: var(--dd-success); }

.eco-card h3 { color: var(--dd-white); font-size: var(--font-size-xl); margin-bottom: var(--space-3); }
.eco-card p { color: rgba(255, 255, 255, 0.6); font-size: var(--font-size-sm); }

/* ─── STACK SECTION (Architecture + Console + Workstation) ─── */
.stack-section {
    background: var(--dd-off-white);
}

.stack-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
}

.stack-row-reverse .stack-visual {
    order: -1;
}

.stack-divider {
    width: 80px;
    height: 2px;
    background: var(--dd-gradient-icon);
    margin: var(--space-10) auto;
    border-radius: 2px;
    opacity: 0.5;
}

.stack-num {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: var(--dd-gradient-icon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    margin-bottom: var(--space-2);
}

.stack-text .section-label {
    margin-bottom: var(--space-2);
}

.stack-text h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
}

.stack-text p {
    color: var(--dd-muted);
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
}

.stack-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.stack-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--dd-white);
    border: 1px solid rgba(10, 10, 40, 0.08);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--dd-navy);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.stack-badge:hover {
    border-color: rgba(187, 49, 199, 0.25);
    box-shadow: 0 2px 8px rgba(187, 49, 199, 0.1);
}

.stack-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.stack-frame:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl), 0 8px 30px rgba(187, 49, 199, 0.1);
}

.stack-frame img {
    width: 100%;
    display: block;
}

/* ─── CASES GRID (dark section) ─── */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    max-width: 1200px;
    margin: 0 auto;
}

.case-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--dd-gradient-icon);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-smooth);
}

.case-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(187, 49, 199, 0.2);
    transform: translateY(-4px);
}

.case-card:hover::before {
    transform: scaleX(1);
}

.case-label {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--dd-purple-light);
    background: rgba(187, 49, 199, 0.12);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.case-card h4 {
    color: var(--dd-white);
    font-size: var(--font-size-md);
    margin-bottom: var(--space-3);
}

.case-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    padding-top: var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--dd-purple-light);
    text-decoration: none;
    transition: color 0.25s var(--ease-smooth), gap 0.25s var(--ease-smooth);
}

.case-link:hover {
    color: var(--dd-white);
    gap: 10px;
}

/* ─── SUPPORT SECTION ─── */
.support-list {
    margin-top: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.support-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: 16px 20px;
    background: var(--dd-off-white);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--dd-navy);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.support-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.support-item .si-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--dd-gradient-icon);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dd-white);
    flex-shrink: 0;
}

.support-item .si-icon svg {
    width: 18px;
    height: 18px;
}

/* ─── RESPONSIVE HOME ─── */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-desc { margin: 0 auto 40px; }
    .hero-actions { justify-content: center; }
    .hero-visual { order: 1; }
    .hero-mockup { max-width: 480px; }

    .pillars-grid { grid-template-columns: 1fr; }
    .dept-grid { grid-template-columns: repeat(2, 1fr); }
    .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
    .stack-row { grid-template-columns: 1fr; gap: var(--space-6); text-align: center; }
    .stack-row-reverse .stack-visual { order: 0; }
    .stack-visual { max-width: 560px; margin: 0 auto; }
    .stack-badges { justify-content: center; }
    .stack-num { font-size: 3rem; }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero { padding-top: 70px; }
    .hero-inner { padding: 40px 24px; }
    .dept-grid { grid-template-columns: 1fr; }
    .ecosystem-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .cta-contacts { flex-direction: column; align-items: center; gap: var(--space-4); }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; align-items: stretch; }
}