/* ==========================================================================
   FABIO CASSANI PHOTOGRAPHY — SITO IN COSTRUZIONE (UNDER CONSTRUCTION)
   Cinematic Darkroom / Optical Viewfinder Aesthetic — Signature Blue Palette
   ========================================================================== */

:root {
    --bg-dark: #07090e;
    --bg-card: rgba(14, 19, 31, 0.78);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(59, 130, 246, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Fabio Cassani Signature Blue Palette */
    --blue-primary: #2563eb;
    --blue-bright: #3b82f6;
    --blue-sky: #60a5fa;
    --blue-glow: rgba(59, 130, 246, 0.25);
    
    --font-heading: 'Syne', -apple-system, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-tech: 'Space Grotesk', -apple-system, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Ambient Optical Flare in Signature Blue (Desktop) */
.optical-cursor-flare {
    position: fixed;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 1;
    opacity: 0.22;
    background: radial-gradient(circle, var(--blue-bright) 0%, rgba(37, 99, 235, 0.4) 40%, transparent 70%);
    filter: blur(60px);
    transition: opacity 0.3s ease;
}

/* Film Grain Texture Overlay */
.film-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Ambient Bokeh Background */
.ambient-optical-bokeh {
    position: fixed;
    top: -10vw;
    right: 5vw;
    width: 60vw;
    max-width: 800px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(30, 58, 138, 0.04) 45%, transparent 70%);
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
}

/* Top Navigation Bar */
.ph-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(7, 9, 14, 0.88);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.1rem 2.5rem;
}

.ph-nav {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ph-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.ph-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.14);
    color: var(--blue-sky);
    border: 1px solid rgba(59, 130, 246, 0.35);
    letter-spacing: 0.08em;
}

.ph-nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.back-home-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.back-home-btn:hover {
    color: var(--blue-sky);
}

.ph-socials {
    display: flex;
    gap: 0.6rem;
}

.social-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 0.8rem;
    transition: var(--transition-smooth);
}

.social-btn:hover {
    color: #fff;
    border-color: var(--border-glow);
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

/* ==========================================================================
   MAIN HERO & VIEWFINDER CONTAINER
   ========================================================================== */
.ph-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3.5rem 2rem 6rem;
    position: relative;
    z-index: 3;
}

/* Viewfinder Frame (Camera Screen Look) */
.viewfinder-frame {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 4rem 3.5rem;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.03);
    overflow: hidden;
    margin-bottom: 4rem;
}

/* Viewfinder Corner Markings in Blue */
.viewfinder-corner {
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: rgba(96, 165, 250, 0.5);
    border-style: solid;
    pointer-events: none;
}

.corner-tl { top: 20px; left: 20px; border-width: 2px 0 0 2px; }
.corner-tr { top: 20px; right: 20px; border-width: 2px 2px 0 0; }
.corner-bl { bottom: 20px; left: 20px; border-width: 0 0 2px 2px; }
.corner-br { bottom: 20px; right: 20px; border-width: 0 2px 2px 0; }

/* Camera Crosshair Center */
.viewfinder-crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    pointer-events: none;
    opacity: 0.18;
}

.viewfinder-crosshair::before, .viewfinder-crosshair::after {
    content: '';
    position: absolute;
    background: var(--blue-sky);
}

.viewfinder-crosshair::before {
    top: 0; left: 29px; width: 2px; height: 60px;
}
.viewfinder-crosshair::after {
    top: 29px; left: 0; width: 60px; height: 2px;
}

/* Top Shutter & Sensor HUD */
.camera-hud-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--blue-sky);
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.rec-pulse-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.rec-dot {
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    box-shadow: 0 0 10px #ef4444;
    animation: recBlink 1.5s infinite;
}

@keyframes recBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}

.lens-specs-tag {
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* Central Hero Typography */
.ph-hero-content {
    text-align: center;
    max-width: 850px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.status-capsule {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blue-sky);
    background: rgba(59, 130, 246, 0.14);
    border: 1px solid rgba(59, 130, 246, 0.35);
    padding: 0.4rem 1.2rem;
    border-radius: 999px;
    margin-bottom: 2rem;
}

.status-dot-inner {
    width: 6px;
    height: 6px;
    background: var(--blue-sky);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--blue-sky);
}

.ph-headline {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 6.5vw, 5.2rem);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: #fff;
}

.ph-headline .blue-text {
    background: linear-gradient(135deg, #93c5fd 0%, #3b82f6 50%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ph-description {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 3.5rem;
    font-weight: 300;
}

.ph-description strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Animated Shutter Graphic */
.shutter-animation-box {
    margin: 0 auto 3.5rem;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 2px solid rgba(59, 130, 246, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.shutter-animation-box:hover {
    transform: scale(1.1) rotate(45deg);
    border-color: var(--blue-bright);
    box-shadow: 0 0 45px rgba(59, 130, 246, 0.45);
}

.shutter-icon {
    font-size: 2.2rem;
    color: var(--blue-sky);
}

/* Action Gateways inside Viewfinder */
.action-buttons-group {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.2rem;
    margin-bottom: 1rem;
}

.ph-primary-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.95rem 1.8rem;
    background: var(--blue-primary);
    color: #fff;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.35);
    transition: var(--transition-smooth);
}

.ph-primary-btn:hover {
    background: var(--blue-bright);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.55);
}

.ph-secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.95rem 1.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.ph-secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--blue-sky);
    transform: translateY(-2px);
    color: #fff;
}

/* Bottom Metrics HUD */
.camera-hud-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 3.5rem;
    padding-top: 1.2rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.exposure-metrics {
    color: var(--blue-sky);
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* ==========================================================================
   WHAT'S COMING SECTION (Preview Pillars)
   ========================================================================== */
.coming-pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
    margin-bottom: 4rem;
}

.pillar-card {
    background: rgba(14, 19, 31, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    padding: 2rem;
    transition: var(--transition-smooth);
}

.pillar-card:hover {
    border-color: rgba(59, 130, 246, 0.35);
    transform: translateY(-4px);
    background: rgba(20, 28, 46, 0.75);
}

.pillar-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--blue-sky);
    margin-bottom: 0.8rem;
    display: block;
}

.pillar-title {
    font-family: var(--font-tech);
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.pillar-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.ph-footer {
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 2.5rem;
    background: rgba(5, 7, 12, 0.95);
    position: relative;
    z-index: 10;
}

.ph-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.copy-email-box {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.copy-email-box:hover {
    color: #fff;
    border-color: var(--border-glow);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 900px) {
    .viewfinder-frame {
        padding: 3rem 1.8rem;
    }
    .coming-pillars-grid {
        grid-template-columns: 1fr;
    }
    .optical-cursor-flare {
        display: none !important;
    }
    .camera-hud-top, .camera-hud-bottom {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        text-align: center;
    }
    .ph-footer-inner {
        flex-direction: column;
        text-align: center;
    }
}