/* ============================================
   URBÁLI 360 - TRANSLUCENT UI SYSTEM
   Frosted glass, transparent layers, depth through blur
   Inspired by Apple Vision Pro / iOS / macOS Sonoma
   ============================================ */

/* ========== FOUNDATION: Root Overrides ========== */

:root {
    /* Translucent UI Tokens */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.06);
    --glass-bg-elevated: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    --glass-blur: 20px;
    --glass-blur-heavy: 40px;
    --glass-blur-light: 12px;
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.18);
    --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    --radius-2xl: 2rem;

    /* Updated border radius for translucent feel */
    --radius-lg: 1.25rem;
    --radius-xl: 1.75rem;
}


/* ========== NAVBAR: Frosted Navigation ========== */

.navbar.scrolled {
    background: rgba(20, 15, 43, 0.55);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* Navbar CTA - Translucent */
.navbar-cta {
    background: rgba(172, 254, 64, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(172, 254, 64, 0.3);
}

.navbar-cta:hover {
    background: rgba(172, 254, 64, 1);
    box-shadow: 0 8px 24px rgba(172, 254, 64, 0.35);
}


/* ========== BUTTONS: Glass Buttons ========== */

.btn {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
}

.btn::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.02));
}

/* Primary CTA - Semi-translucent with glow */
.btn-primary {
    background: rgba(172, 254, 64, 0.92);
    color: var(--color-background);
    border: 1px solid rgba(172, 254, 64, 0.4);
    box-shadow:
        var(--glass-inset),
        0 4px 16px rgba(172, 254, 64, 0.25);
}

.btn-primary:hover {
    background: rgba(172, 254, 64, 1);
    border-color: rgba(172, 254, 64, 0.6);
    box-shadow:
        var(--glass-inset),
        0 8px 30px rgba(172, 254, 64, 0.4);
    transform: translateY(-2px);
}

/* Outline - Fully translucent glass */
.btn-outline {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
    box-shadow: var(--glass-inset);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
    box-shadow:
        var(--glass-inset),
        0 8px 24px rgba(103, 157, 243, 0.15);
    transform: translateY(-2px);
}


/* ========== SECTION BACKGROUNDS: Transparent Layers ========== */

/* Manifesto Section - Transparent */
.section-manifesto {
    background: transparent;
}

/* Dual Model - Subtle translucent gradient */
.section-dual-model {
    background: linear-gradient(
        180deg,
        rgba(20, 15, 43, 0.3) 0%,
        rgba(10, 8, 21, 0.5) 100%
    );
    backdrop-filter: blur(2px);
}

/* Infrastructure - Translucent centered card */
.section-infrastructure {
    background: transparent;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

/* CCA Protocol - Transparent */
.section-cca {
    background: transparent;
}

/* KPI Section - Subtle grid over transparency */
.section-kpi {
    background: rgba(15, 12, 33, 0.4);
}

.section-kpi::before {
    background-image:
        linear-gradient(rgba(103, 157, 243, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(103, 157, 243, 0.02) 1px, transparent 1px);
    opacity: 0.6;
}

/* Maintenance - Transparent */
.section-maintenance {
    background: transparent;
}


/* ========== CARDS: Frosted Glass Cards ========== */

/* Manifesto Cards */
.manifesto-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--glass-inset), var(--glass-shadow);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.manifesto-card:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(172, 254, 64, 0.2);
    box-shadow:
        var(--glass-inset),
        var(--glass-shadow-hover),
        0 0 30px rgba(172, 254, 64, 0.06);
    transform: translateY(-8px);
}

/* Role Blocks (Dual Model) */
.role-block {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--glass-inset), var(--glass-shadow);
}

.role-block:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    box-shadow: var(--glass-inset), var(--glass-shadow-hover);
    transform: translateY(-5px);
}

.block-strategic {
    border-top: 2px solid rgba(103, 157, 243, 0.5);
}

.block-operative {
    border-top: 2px solid rgba(172, 254, 64, 0.5);
}

/* Infrastructure Container */
.infra-container {
    background: var(--glass-bg-elevated);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    box-shadow: var(--glass-inset), var(--glass-shadow);
}

.infra-icon-wrapper {
    background: rgba(103, 157, 243, 0.06);
    border: 1px solid rgba(103, 157, 243, 0.15);
}

/* CCA Steps */
.cca-step {
    background: var(--glass-bg);
    border: 1px solid rgba(103, 157, 243, 0.1);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--glass-inset);
}

.cca-step:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(172, 254, 64, 0.25);
    box-shadow:
        var(--glass-inset),
        0 0 20px rgba(172, 254, 64, 0.08);
    transform: translateY(-5px);
}

.step-number {
    background: rgba(20, 15, 43, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(103, 157, 243, 0.25);
}

/* KPI Cards */
.kpi-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--glass-inset);
}

.kpi-card::before {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(172, 254, 64, 0.2),
        transparent
    );
    opacity: 0.3;
}

.kpi-card:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(172, 254, 64, 0.2);
    box-shadow:
        var(--glass-inset),
        0 0 20px rgba(172, 254, 64, 0.08);
    transform: translateY(-5px);
}

/* Maintenance Cards */
.maint-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--glass-inset), var(--glass-shadow);
}

.maint-card:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(103, 157, 243, 0.2);
    box-shadow: var(--glass-inset), var(--glass-shadow-hover);
    transform: translateY(-5px);
}

.card-sprints {
    background: var(--glass-bg-elevated);
}

.card-tech {
    background: linear-gradient(
        135deg,
        var(--glass-bg-elevated),
        rgba(103, 157, 243, 0.04)
    );
}


/* ========== HIGHLIGHT NOTE: Translucent ========== */

.highlight-note-container {
    background: rgba(103, 157, 243, 0.03);
    border: 1px solid rgba(103, 157, 243, 0.12);
    backdrop-filter: blur(var(--glass-blur-light));
    -webkit-backdrop-filter: blur(var(--glass-blur-light));
}

/* Critical Differentiator */
.critical-differentiator {
    background: rgba(103, 157, 243, 0.04);
    border-left: 3px solid rgba(103, 157, 243, 0.4);
    backdrop-filter: blur(10px);
}


/* ========== CLOUD FEATURE PILLS: Glass Pills ========== */

.cloud-feature-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}


/* ========== VIDEO WRAPPER: Frosted Border ========== */

.video-wrapper {
    border-radius: var(--radius-2xl);
    padding: 1px;
    background: linear-gradient(
        135deg,
        rgba(172, 254, 64, 0.4),
        rgba(103, 157, 243, 0.3),
        rgba(172, 254, 64, 0.2)
    );
    box-shadow: 0 4px 30px rgba(103, 157, 243, 0.1);
}

.video-inner {
    background: rgba(20, 15, 43, 0.5);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.play-button {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(172, 254, 64, 0.4);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}


/* ========== KPI VISUAL: Translucent Progress ========== */

.kpi-visual {
    background: rgba(255, 255, 255, 0.06);
}

.kpi-progress {
    background: linear-gradient(90deg, var(--color-primary), rgba(172, 254, 64, 0.7));
    box-shadow: 0 0 8px rgba(172, 254, 64, 0.4);
}


/* ========== STATUS BADGE: Glass Badge ========== */

.status-badge {
    background: rgba(172, 254, 64, 0.06);
    border: 1px solid rgba(172, 254, 64, 0.2);
    backdrop-filter: blur(8px);
}

.infra-badge {
    background: rgba(103, 157, 243, 0.2);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(103, 157, 243, 0.3);
    box-shadow: none;
}


/* ========== FOOTER: Translucent Footer ========== */

.site-footer {
    background: rgba(10, 8, 21, 0.5);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-top: 1px solid var(--glass-border);
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
}


/* ========== MOBILE MENU: Heavy Frosted ========== */

@media (max-width: 768px) {
    .navbar-menu {
        background: rgba(20, 15, 43, 0.85);
        backdrop-filter: blur(var(--glass-blur-heavy));
        -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
        border-left: 1px solid var(--glass-border);
    }
}


/* ========== IMPROVISATION NOTE: Glass Reveal ========== */

.improvisation-note {
    border-top-color: rgba(172, 254, 64, 0.15);
}

.cca-step:hover .improvisation-note {
    border-top: 1px solid rgba(172, 254, 64, 0.15);
}


/* ========== BEFORE/AFTER VISUAL: Translucent Layers ========== */

.ba-before {
    background: rgba(10, 8, 21, 0.8);
}

.ba-after {
    background: linear-gradient(
        135deg,
        rgba(20, 15, 43, 0.7),
        rgba(172, 254, 64, 0.06)
    );
    border-right: 1px solid rgba(172, 254, 64, 0.6);
}

.ba-handle {
    background: rgba(172, 254, 64, 0.9);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 16px rgba(172, 254, 64, 0.4);
}


/* ========== ROLE ICON: Translucent Circles ========== */

.role-icon {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.block-strategic .role-icon {
    background: rgba(103, 157, 243, 0.06);
    border: 1px solid rgba(103, 157, 243, 0.15);
}

.block-operative .role-icon {
    background: rgba(172, 254, 64, 0.06);
    border: 1px solid rgba(172, 254, 64, 0.15);
}


/* ========== STEP ICON WRAPPER: Glass Circle ========== */

.step-icon-wrapper {
    background: rgba(103, 157, 243, 0.04);
    border: 1px solid rgba(103, 157, 243, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.cca-step:hover .step-icon-wrapper {
    background: rgba(172, 254, 64, 0.06);
    border-color: rgba(172, 254, 64, 0.2);
}


/* ========== KPI FOOTER: Glass Divider ========== */

.kpi-footer {
    border-top: 1px solid var(--glass-border);
}


/* ========== KNOWLEDGE ICON: Translucent ========== */

.knowledge-icon {
    background: rgba(103, 157, 243, 0.05);
    border: 1px solid rgba(103, 157, 243, 0.1);
    backdrop-filter: blur(8px);
}