@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@200;300;400;500;600;700&display=swap');

:root {
  --void: #07070a;
  --surface: #0d0d12;
  --surface-2: #12121a;
  --ink: #f4f2ec;
  --muted: #9a978f;
  --muted-2: #6f6c66;
  --gold: #dfbd7e; /* Increased luminance for CTA contrast */
  --emerald: #56d6ae;
  --border: rgba(255, 255, 255, 0.09);
  --glass-bg: rgba(255, 255, 255, 0.045);
  --glass-border: rgba(255, 255, 255, 0.14);
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  --sidebar-width: 300px;
  --radius: 20px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { background: var(--void); color: var(--ink); scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.6;
  background: var(--void);
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display { font-family: var(--font-serif); font-weight: 600; line-height: 1.08; margin: 0; color: var(--ink); }
.display { font-size: clamp(2.75rem, 6vw, 5.75rem); letter-spacing: -0.02em; }
.display .accent-word { background: linear-gradient(100deg, var(--gold) 0%, #eddcb6 45%, var(--emerald) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
h2 { font-size: clamp(1.9rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.35rem, 2.6vw, 2rem); }

.eyebrow { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.1rem; display: inline-flex; align-items: center; gap: 0.6rem; }
.eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--gold); display: inline-block; }

p { color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.12rem); line-height: 1.85; font-weight: 300; margin: 0 0 1.2rem; } /* Increased line-height for cognitive ease */
p:last-child { margin-bottom: 0; }
a { color: inherit; }

/* ---------- Grain overlay ---------- */
.grain-overlay {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- Aurora background ---------- */
.aurora-container { position: fixed; inset: 0; z-index: 0; overflow: hidden; background: var(--void); }
.aurora-blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.35; will-change: transform; }
.aurora-blob.b1 { width: 46vw; height: 46vw; top: -12%; left: -8%; background: radial-gradient(circle, rgba(201,168,106,0.55), transparent 70%); animation: drift1 26s ease-in-out infinite alternate; }
.aurora-blob.b2 { width: 40vw; height: 40vw; bottom: -14%; right: -6%; background: radial-gradient(circle, rgba(86,214,174,0.45), transparent 70%); animation: drift2 30s ease-in-out infinite alternate; }
.aurora-blob.b3 { width: 30vw; height: 30vw; top: 35%; left: 55%; background: radial-gradient(circle, rgba(120,110,255,0.28), transparent 70%); animation: drift1 22s ease-in-out infinite alternate-reverse; }
@keyframes drift1 { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(4%, 6%) scale(1.12); } }
@keyframes drift2 { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(-5%, -4%) scale(1.08); } }

/* ---------- Cinematic Background Video / Dual-Buffer ---------- */
.cinematic-bg-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; overflow: hidden; -webkit-mask-image: linear-gradient(to bottom, black 0%, black 75%, transparent 100%); mask-image: linear-gradient(to bottom, black 0%, black 75%, transparent 100%); background: #07090c; }
.cinematic-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(0.45) grayscale(0.2) contrast(1.1); opacity: 1; z-index: 1; transition: opacity 1.5s ease-in-out; }
.hero__v { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.4s linear; pointer-events: none; filter: brightness(0.45) grayscale(0.2) contrast(1.1); z-index: 0; }
.hero__v.is-active { opacity: 1; }
.cinematic-bg-container.is-visible .cinematic-poster { opacity: 0; }
.cinematic-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,9,12,0.45) 0%, rgba(7,9,12,0.85) 75%, #07090c 100%); pointer-events: none; z-index: 2;}

/* ---------- Glass components ---------- */
.glass-card { background: var(--glass-bg); border: 1px solid var(--glass-border); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-radius: var(--radius); padding: 2.2rem; box-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 20px 40px -20px rgba(0,0,0,0.5); }
.glass-card:hover { border-color: rgba(201,168,106,0.35); transition: border-color 0.4s var(--ease); }

/* ---------- Buttons ---------- */
.btn-editorial {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  background: linear-gradient(135deg, var(--gold), #b98f4d);
  color: #0a0a0a; font-weight: 600; font-size: 0.85rem; letter-spacing: 0.05em; text-transform: uppercase;
  text-decoration: none; padding: 18px 36px; border-radius: 999px; border: none;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  box-shadow: 0 10px 30px -8px rgba(201,168,106,0.45); cursor: pointer;
}
.btn-editorial:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -8px rgba(201,168,106,0.6); }
.btn-editorial.ghost { background: transparent; color: var(--ink); border: 1px solid var(--glass-border); box-shadow: none; }
.btn-editorial.ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- Layout ---------- */
.layout-container { display: grid; grid-template-columns: var(--sidebar-width) 1fr; min-height: 100vh; position: relative; z-index: 1; }

/* Desktop Navigation */
.mobile-sitebar, .mobile-cta-dock { display: none; }

.layout-sidebar { border-right: 1px solid var(--border); padding: 2.6rem 2rem; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; background: rgba(7,7,10,0.7); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); z-index: 100; }
.brand-logo { font-family: var(--font-serif); font-size: 1.85rem; font-weight: 700; color: var(--ink); text-decoration: none; margin-bottom: 3rem; display: block; }
.brand-logo span { color: var(--gold); }
.nav-menu { display: flex; flex-direction: column; gap: 1.4rem; }
.nav-menu a { font-size: 0.88rem; font-weight: 500; color: var(--muted); text-decoration: none; transition: color 0.25s; position: relative; }
.nav-menu a:hover { color: var(--ink); }
.nav-menu a.cta-link { color: var(--gold); font-weight: 600; }
.sidebar-footer { margin-top: auto; font-size: 0.72rem; color: var(--muted-2); letter-spacing: 0.05em; }

.layout-main { flex: 1; padding: 0; min-height: 100svh; display: flex; flex-direction: column; }
.section-block { padding: clamp(4rem, 10vh, 8rem) clamp(1.25rem, 4vw, 3.5rem); border-bottom: 1px solid var(--border); position: relative; }
.hero { display: flex; align-items: center; justify-content: center; min-height: 100svh; border-bottom: none; overflow: hidden; position: relative; padding: 0; }
.hero-content { max-width: 800px; width: 100%; position: relative; z-index: 10; padding: clamp(2rem, 5vw, 4rem); text-align: left; margin-top: clamp(4rem, 10vh, 8rem); }
@media(max-width: 768px) { .hero-content { text-align: center; } .eyebrow { justify-content: center; } }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }

/* ---------- Bento Grid ---------- */
.bento-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(160px, auto); gap: 1.25rem; margin-top: 2.5rem; }
.bento-card { grid-column: span 2; grid-row: span 1; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); padding: 2rem; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; transition: transform 0.4s var(--ease), border-color 0.4s var(--ease); }
.bento-card:hover { transform: translateY(-4px); border-color: rgba(201,168,106,0.4); }
.bento-card.span-4 { grid-column: span 4; }
.bento-card.span-1 { grid-column: span 1; }
.bento-card.row-2 { grid-row: span 2; }
.bento-card .bento-eyebrow { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.5rem; }
.bento-card h3 { margin-bottom: 0.5rem; }
.bento-card p { font-size: 0.95rem; margin-bottom: 0; }
.bento-card.image-card { padding: 0; justify-content: flex-end; min-height: 320px; }
.bento-card.image-card video, .bento-card.image-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.4s ease-in-out; }
.bento-card.image-card video.loaded, .bento-card.image-card img.loaded { opacity: 0.9; }
.bento-card.image-card .card-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(7,7,10,0.92) 100%); }
.bento-card.image-card .card-content { position: relative; z-index: 1; padding: 1.75rem; }
.bento-card.stat { justify-content: center; text-align: center; background: linear-gradient(160deg, var(--surface-2), var(--surface)); }
.bento-card.stat .stat-number { font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 2.8rem); color: var(--gold); }
.bento-card.stat .stat-label { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.4rem; }
.bento-card.accent { background: linear-gradient(160deg, rgba(201,168,106,0.12), rgba(86,214,174,0.06)); border-color: rgba(201,168,106,0.25); }

/* ---------- Steps / timeline ---------- */
.step-row { display: flex; align-items: flex-start; gap: 1.5rem; padding: 1.6rem 0; border-bottom: 1px solid var(--border); }
.step-row:last-child { border-bottom: none; }
.step-num { font-family: var(--font-serif); font-size: 1.6rem; color: var(--gold); min-width: 48px; }

/* ---------- Fade animation ---------- */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.9s ease-out, transform 0.9s ease-out; }
.fade-up.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Footer ---------- */
.site-footer { padding: 3rem 5%; text-align: center; color: var(--muted-2); font-size: 0.82rem; }

/* ---------- Responsive Breakpoints ---------- */
@media (max-width: 1200px) {
  .layout-container { grid-template-columns: 1fr; }
  .layout-sidebar { height: auto; position: relative; border-right: none; border-bottom: 1px solid var(--border); padding: 1.4rem 5%; flex-direction: row; justify-content: space-between; align-items: center; }
  .nav-menu { flex-direction: row; gap: 1.5rem; flex-wrap: wrap; }
  .sidebar-footer { display: none; }
  .bento-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .bento-card.span-4 { grid-column: span 2; }
  .feature-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .display { font-size: clamp(2.5rem, 5vw, 4rem); }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card, .bento-card.span-4, .bento-card.span-2, .bento-card.row-2 { grid-column: span 1 !important; grid-row: auto !important; }
  .section-block { padding: 4rem 6%; }
  .section-block.hero .hero-content { padding-top: 6rem; padding-bottom: 4rem; }
  .glass-card { padding: 1.5rem; }
  .step-row { flex-direction: column; gap: 0.5rem; }
  .step-num { font-size: 1.2rem; }
}

/* Fix grid blowout */
.layout-main > *, .bento-card, .feature-grid > * { min-width: 0; }

/* ---------- Mobile UX Replacements ---------- */
@media (max-width: 1000px) {
    .layout-container { display: block; }
    .layout-sidebar { display: none; }
    
    /* Top Bar */
    .mobile-sitebar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 1.25rem 6%;
        position: sticky;
        top: 0;
        z-index: 50;
        background: rgba(7,9,12,0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
    }
    .brand-logo-mobile {
        font-family: var(--font-serif);
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--ink);
        text-decoration: none;
    }
    .brand-logo-mobile span { color: var(--gold); }
    
    .icon-button {
        background: transparent;
        border: 1px solid var(--border);
        color: var(--ink);
        width: 48px;
        height: 48px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 1.2rem;
    }
    .sr-only { display: none; }

    /* Sticky Bottom Dock */
    .mobile-cta-dock {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        z-index: 40;
        padding: 1rem 6% calc(1rem + env(safe-area-inset-bottom, 0px));
        background: linear-gradient(to top, rgba(7,9,12,0.98), rgba(7,9,12,0.85) 60%, transparent);
    }
    .layout-main { padding-bottom: calc(5rem + env(safe-area-inset-bottom, 0px)); }

    /* Dialog Menu */
    dialog.site-menu {
        width: 100%;
        max-width: none;
        margin: 0;
        inset: auto 0 0 0;
        border: 0;
        border-radius: 1.5rem 1.5rem 0 0;
        padding: 2rem 6% calc(2rem + env(safe-area-inset-bottom, 0px));
        background: var(--surface);
        color: var(--ink);
        max-height: 85vh;
        overflow-y: auto;
    }
    dialog.site-menu::backdrop { background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }
    .nav-menu-mobile {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        font-size: 1.2rem;
    }
    .nav-menu-mobile a { color: var(--ink); text-decoration: none; font-weight: 500; }
    .nav-menu-mobile a.cta-link { color: var(--gold); }
}

/* --- Synthesized CRO Styles --- */

/* Protocol CTA Block */
.protocol-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 4rem;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(14, 22, 29, 0.52);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.protocol-cta h3 {
    margin: 0.55rem 0 0.75rem;
    font-size: clamp(1.4rem, 2vw, 1.9rem);
}

.protocol-cta p {
    max-width: 540px;
    margin: 0;
    color: var(--muted);
}

.protocol-cta__action {
    flex: 0 0 auto;
    text-align: center;
}

@media (max-width: 720px) {
    .protocol-cta {
        display: block;
        padding: 1.5rem;
    }

    .protocol-cta__action {
        margin-top: 1.5rem;
        text-align: left;
    }

    .protocol-cta__action .btn-editorial {
        width: 100%;
        justify-content: center;
    }
}

/* Mobile Sticky Protocol Bar */
.mobile-protocol-bar {
    display: none;
}

@media (max-width: 820px) {
    body {
        padding-bottom: 5.75rem;
    }

    .mobile-protocol-bar {
        display: block;
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 50;
        padding: 0.8rem 1rem calc(0.8rem + env(safe-area-inset-bottom));
        border-top: 1px solid rgba(222, 174, 107, 0.22);
        background: rgba(7, 9, 12, 0.82);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        transform: translateY(120%);
        transition: transform 220ms ease;
    }

    .mobile-protocol-bar.is-visible {
        transform: translateY(0);
    }

    .mobile-protocol-bar .btn-editorial {
        display: flex;
        width: 100%;
        justify-content: center;
    }
}