/* ==========================================================================
   AUTO • PORTO — CINEMATIC AUTOMOTIVE INTELLIGENCE DESIGN SYSTEM
   Dominant Palette: Pure Black (#000000 / #050507) • White (#FFFFFF)
   Signal Color: Auto Porto Crimson (#FF2B2B)
   Typography: Syne (Ultra Black 900) • Inter • JetBrains Mono
   Scale: Laptop-Optimized Proportion & Mobile-First Fluid Responsiveness
   ========================================================================== */

:root {
    --bg-black: #050507;
    --card-bg: rgba(14, 14, 18, 0.78);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(255, 43, 43, 0.4);
    --crimson: #ff2b2b;
    --crimson-glow: rgba(255, 43, 43, 0.5);
    --white: #ffffff;
    --zinc-300: #d4d4d8;
    --zinc-400: #a1a1aa;
    --zinc-500: #71717a;
    --font-syne: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    font-size: 16px;
}

/* ================= LAPTOP & DESKTOP SCALE TUNING ================= */
/* Reduces over-zoomed appearance on standard laptops (13" to 16", 1366px-1536px) */
@media (min-width: 1024px) and (max-width: 1536px) {
    :root {
        font-size: 14.5px;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 15px;
    }
}

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

ul, ol, li {
    list-style: none;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    color-scheme: dark;
    background-color: var(--bg-black);
}

body {
    font-family: var(--font-inter);
    background-color: var(--bg-black);
    color: #e4e4e7;
    overflow-x: hidden;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

/* ================= TYPOGRAPHY & FLUID HEADERS ================= */
.font-syne { font-family: var(--font-syne); }
.font-mono { font-family: var(--font-mono); }
.font-inter { font-family: var(--font-inter); }

.hero-headline {
    font-size: clamp(2.35rem, 5.8vw, 4.6rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.chapter-headline {
    font-size: clamp(1.85rem, 4.2vw, 3.35rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.hero-sub {
    font-size: clamp(1rem, 1.4vw, 1.25rem);
    line-height: 1.6;
}

.subtitle-tracked {
    font-family: var(--font-inter);
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--crimson);
}

.text-crimson { color: var(--crimson); }
.text-glow-crimson { text-shadow: 0 0 25px var(--crimson-glow); }

/* ================= AMBIENT DEPTH LAYER ================= */
.ambient-beacon {
    position: absolute;
    border-radius: 9999px;
    filter: blur(180px);
    pointer-events: none;
    opacity: 0.16;
}

.top-beacon {
    top: -200px;
    left: 25%;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, #ff2b2b 0%, #300505 60%, transparent 100%);
}

.bottom-beacon {
    bottom: -200px;
    right: 20%;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, #dc2626 0%, #111114 60%, transparent 100%);
}

.cinema-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(5, 5, 7, 0.88) 100%);
    pointer-events: none;
}

.fine-noise {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    pointer-events: none;
}

/* ================= CHAPTER PADDING SCALING ================= */
.chapter-section {
    padding-top: clamp(4.5rem, 8vh, 6.75rem);
    padding-bottom: clamp(4.5rem, 8vh, 6.75rem);
}

/* ================= INTERACTIVE CARDS & MICRO-INTERACTIONS ================= */
.interactive-card {
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    transform-style: preserve-3d;
    will-change: transform, border-color;
}

.interactive-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 25px 55px rgba(255, 43, 43, 0.08), 0 10px 30px rgba(0, 0, 0, 0.8);
    transform: translateY(-4px);
}

.city-node-card {
    background: rgba(14, 14, 18, 0.85);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: clamp(1.25rem, 2vw, 1.75rem);
    backdrop-filter: blur(18px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.city-node-card:hover {
    border-color: var(--crimson);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(255, 43, 43, 0.2);
}

.glass-hud-telemetry {
    min-width: 270px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.9), 0 0 25px rgba(255, 43, 43, 0.12);
}

/* ================= BUTTONS ================= */
.cyber-btn-crimson {
    background: var(--crimson);
    color: var(--white);
    font-family: var(--font-inter);
    font-weight: 800;
    border: none;
    border-radius: 8px;
    padding: clamp(0.7rem, 1.2vw, 0.85rem) clamp(1.25rem, 1.8vw, 1.75rem);
    cursor: pointer;
    box-shadow: 0 0 25px rgba(255, 43, 43, 0.45);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.cyber-btn-crimson:hover {
    background: #ff4242;
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(255, 43, 43, 0.75);
}

/* Compact Navbar CTA Button (Reduced size for Laptop & Mobile) */
.navbar-partner-btn {
    background: var(--crimson);
    color: var(--white);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.6875rem; /* 11px on laptop/desktop */
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    border-radius: 6px;
    padding: 0.38rem 0.8rem; /* Refined compact size */
    cursor: pointer;
    box-shadow: 0 0 16px rgba(255, 43, 43, 0.35);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
    text-decoration: none;
}

.navbar-partner-btn:hover {
    background: #ff4242;
    box-shadow: 0 0 24px rgba(255, 43, 43, 0.65);
    transform: translateY(-1px);
}

@media (max-width: 640px) {
    .navbar-partner-btn {
        font-size: 0.625rem; /* 10px on mobile */
        padding: 0.32rem 0.6rem;
        gap: 0.25rem;
        border-radius: 5px;
    }
}

/* Language Selector Dropdown */
.lang-selector-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.cyber-btn-lang {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 6px;
    padding: 0.35rem 0.55rem;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    transition: all 0.2s ease;
}

.cyber-btn-lang:hover {
    border-color: var(--crimson);
    background: rgba(255, 43, 43, 0.1);
}

.lang-dropdown-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 145px;
    background: rgba(10, 10, 14, 0.96);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    padding: 0.35rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.9), 0 0 20px rgba(255, 43, 43, 0.15);
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lang-dropdown-panel.hidden {
    display: none !important;
}

.lang-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.65rem;
    border-radius: 5px;
    border: none;
    background: transparent;
    color: #d4d4d8;
    cursor: pointer;
    text-align: left;
    width: 100%;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
}

.lang-item:hover, .lang-item.active {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.lang-item.active {
    border-left: 2px solid var(--crimson);
    font-weight: 700;
}

@media (max-width: 640px) {
    .cyber-btn-lang {
        padding: 0.3rem 0.45rem;
        font-size: 0.65rem;
    }
}

.cyber-btn-outline {
    background: rgba(255, 255, 255, 0.04);
    color: var(--white);
    font-family: var(--font-inter);
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    padding: clamp(0.65rem, 1.1vw, 0.8rem) clamp(1.2rem, 1.6vw, 1.5rem);
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.cyber-btn-outline:hover {
    border-color: var(--crimson);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 43, 43, 0.2);
}

.cyber-btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #a1a1aa;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.cyber-btn-icon:hover {
    border-color: var(--crimson);
    color: var(--crimson);
}

.nav-link {
    color: #a1a1aa;
    font-size: clamp(0.72rem, 0.85vw, 0.82rem);
    font-weight: 600;
    padding: 0.32rem clamp(0.5rem, 0.75vw, 0.85rem);
    border-radius: 9999px;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

/* ================= SLIDERS & INPUTS ================= */
.cyber-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 4px;
    background: #27272a;
    outline: none;
}

.cyber-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 4px;
    background: var(--crimson);
    cursor: pointer;
    box-shadow: 0 0 14px var(--crimson);
}

/* ================= HEADER & BRAND ISOLATION ================= */
#mainHeader {
    background: rgba(5, 5, 7, 0.78);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.brand-logo-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    text-decoration: none;
}

.cyber-input {
    width: 100%;
    height: 2.65rem; /* 42px - consistent fixed height so inputs on same line align precisely */
    background: rgba(14, 14, 18, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    padding: 0.55rem 0.85rem;
    color: #ffffff;
    font-size: 0.8125rem; /* 13px - sleek, less zoom */
    font-family: var(--font-inter);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    box-sizing: border-box;
}

select.cyber-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.2rem;
}

textarea.cyber-input {
    height: auto;
    min-height: 82px;
    resize: none;
}

.cyber-input:focus {
    background: rgba(20, 20, 26, 0.98);
    border-color: var(--crimson);
    box-shadow: 0 0 14px rgba(255, 43, 43, 0.35);
}

.cyber-input::placeholder {
    color: #52525b;
    font-size: 0.78rem;
}

/* Form Layout with Guaranteed Same-Line Alignment & Augmented Margin Bottom */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
    margin-bottom: 2rem; /* Augmented margin-bottom */
    align-items: flex-end; /* Guaranteed identical baseline alignment */
}

.field-group {
    margin-bottom: 2rem; /* Augmented margin-bottom */
    display: flex;
    flex-direction: column;
}

.field-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6875rem; /* 11px */
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #a1a1aa;
    margin-bottom: 0.65rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================= PARTNER SIDEBAR DRAWER (LEFT TO RIGHT HALF-PAGE) ================= */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(0, 0, 0, 0.78);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.partner-sidebar-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    max-width: 500px;
    z-index: 100;
    background: rgba(8, 8, 12, 0.98);
    backdrop-filter: blur(35px);
    -webkit-backdrop-filter: blur(35px);
    border-right: 1px solid rgba(255, 43, 43, 0.25);
    box-shadow: 25px 0 60px rgba(0, 0, 0, 0.95);
    transform: translateX(-100%);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.partner-sidebar-drawer.active {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
}

@media (min-width: 1200px) {
    .partner-sidebar-drawer {
        width: 40vw;
        max-width: 520px;
    }
}

@media (max-width: 640px) {
    .partner-sidebar-drawer {
        width: 100vw;
        max-width: 100vw;
        border-right: none;
    }
    .form-row {
        gap: 0.85rem;
        margin-bottom: 1.75rem;
    }
}

@media (max-width: 380px) {
    .form-row {
        grid-template-columns: 1fr;
        margin-bottom: 1.5rem;
    }
}

/* Custom sleek scrollbar for sidebar drawer */
.partner-sidebar-drawer::-webkit-scrollbar {
    width: 4px;
}
.partner-sidebar-drawer::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.5);
}
.partner-sidebar-drawer::-webkit-scrollbar-thumb {
    background: rgba(255, 43, 43, 0.35);
    border-radius: 4px;
}
.partner-sidebar-drawer::-webkit-scrollbar-thumb:hover {
    background: var(--crimson);
}

/* ================= LAYOUT UTILITIES ================= */
.max-w-7xl { max-width: 78rem; }
.max-w-6xl { max-width: 68rem; }
.max-w-5xl { max-width: 60rem; }
.max-w-3xl { max-width: 46rem; }
.max-w-2xl { max-width: 40rem; }
.max-w-xl { max-width: 34rem; }
.max-w-sm { max-width: 24rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.hidden { display: none; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }
.flex-wrap { flex-wrap: wrap; }
.shrink-0 { flex-shrink: 0; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.gap-2 { gap: 0.5rem; }
.gap-2\.5 { gap: 0.625rem; }
.gap-3 { gap: 0.75rem; }
.gap-3\.5 { gap: 0.875rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-7 { gap: 1.75rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.25rem; }
.gap-12 { gap: 2.75rem; }

.space-y-1 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.25rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-2\.5 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.625rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-5 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.25rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.space-y-7 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.75rem; }
.space-y-8 > :not([hidden]) ~ :not([hidden]) { margin-top: 2rem; }
.space-y-12 > :not([hidden]) ~ :not([hidden]) { margin-top: 3rem; }
.space-y-16 > :not([hidden]) ~ :not([hidden]) { margin-top: 3.5rem; }

.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-3\.5 { padding: 0.875rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-7 { padding: 1.75rem; }
.p-8 { padding: 2rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-3\.5 { padding-left: 0.875rem; padding-right: 0.875rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-7 { padding-left: 1.75rem; padding-right: 1.75rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-3\.5 { padding-top: 0.875rem; padding-bottom: 0.875rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }
.pt-12 { padding-top: 3rem; }
.pt-24 { padding-top: 6rem; }
.pt-28 { padding-top: 7rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-16 { padding-bottom: 4rem; }
.pb-20 { padding-bottom: 5rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-1 { margin-top: 0.25rem; }
.mx-1 { margin-left: 0.25rem; margin-right: 0.25rem; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.85rem; line-height: 1.25rem; }
.text-base { font-size: 0.95rem; line-height: 1.45rem; }
.text-lg { font-size: 1.05rem; line-height: 1.6rem; }
.text-xl { font-size: 1.2rem; line-height: 1.7rem; }
.text-2xl { font-size: 1.4rem; line-height: 1.85rem; }
.text-3xl { font-size: 1.75rem; line-height: 2.1rem; }
.text-4xl { font-size: 2.1rem; line-height: 2.4rem; }
.text-5xl { font-size: 2.75rem; line-height: 1.08; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

.uppercase { text-transform: uppercase; }
.tracking-tight { letter-spacing: -0.035em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.12em; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

.text-white { color: #ffffff; }
.text-zinc-300 { color: #d4d4d8; }
.text-zinc-400 { color: #a1a1aa; }
.text-zinc-500 { color: #71717a; }
.text-emerald-400 { color: #34d399; }

.bg-black { background-color: #000000; }
.bg-zinc-900 { background-color: #18181b; }
.bg-zinc-950 { background-color: #09090b; }

.border { border-width: 1px; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-l-2 { border-left-width: 2px; }
.border-white\/5 { border-color: rgba(255, 255, 255, 0.05); }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/15 { border-color: rgba(255, 255, 255, 0.15); }
.border-crimson\/30 { border-color: rgba(255, 43, 43, 0.3); }
.border-crimson\/35 { border-color: rgba(255, 43, 43, 0.35); }
.border-crimson\/40 { border-color: rgba(255, 43, 43, 0.4); }

.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.inset-0 { inset: 0; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.bottom-8 { bottom: 2rem; }
.right-8 { right: 2rem; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-50 { z-index: 50; }

.overflow-hidden { overflow: hidden; }
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* Responsive Media Queries */
@media (min-width: 640px) {
    .sm\:flex { display: flex; }
    .sm\:flex-row { flex-direction: row; }
    .sm\:text-2xl { font-size: 1.35rem; }
    .sm\:text-3xl { font-size: 1.65rem; }
    .sm\:text-4xl { font-size: 2.1rem; }
    .sm\:text-5xl { font-size: 2.65rem; }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:gap-8 { gap: 2rem; }
    .sm\:gap-12 { gap: 3rem; }
    .sm\:p-8 { padding: 2rem; }
    .sm\:p-10 { padding: 2.5rem; }
    .sm\:p-12 { padding: 3rem; }
}

@media (min-width: 768px) {
    .md\:flex { display: flex; }
    .md\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .md\:col-span-3 { grid-column: span 3 / span 12; }
    .md\:col-span-6 { grid-column: span 6 / span 12; }
}

@media (min-width: 1024px) {
    .lg\:block { display: block; }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .lg\:col-span-6 { grid-column: span 6 / span 12; }
}

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(-25%);
        animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
    }
    50% {
        transform: translateY(0);
        animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
    }
}

.animate-ping {
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* ================= FOOTER BRAND BOOK CTA & CINEMATIC TRANSITION LOADER ================= */
.footer-brandbook-cta {
    background: rgba(255, 43, 43, 0.12);
    border: 1px solid rgba(255, 43, 43, 0.45);
    color: #ff3b3b;
    border-radius: 9999px;
    padding: 0.32rem 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: pointer;
    box-shadow: 0 0 16px rgba(255, 43, 43, 0.25);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
}

.footer-brandbook-cta:hover {
    background: var(--crimson);
    color: #ffffff;
    box-shadow: 0 0 28px rgba(255, 43, 43, 0.8);
    transform: translateY(-1.5px);
    border-color: #ff5252;
}

.brandbook-transition-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 5, 8, 0.96);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.brandbook-transition-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.transition-backdrop {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255, 43, 43, 0.12) 0%, rgba(5, 5, 8, 0.98) 75%);
}

.transition-scanlines {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
    background-size: 100% 4px, 6px 100%;
    pointer-events: none;
}

.transition-modal-box {
    position: relative;
    z-index: 10;
    max-width: 440px;
    width: 90%;
    background: rgba(14, 14, 18, 0.95);
    border: 1px solid rgba(255, 43, 43, 0.4);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.9), 0 0 40px rgba(255, 43, 43, 0.25);
    border-radius: 16px;
    padding: 2.2rem 1.8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.95);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.brandbook-transition-overlay.active .transition-modal-box {
    transform: scale(1);
}

.transition-ring-wrap {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.transition-radar-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid var(--crimson);
    animation: radarPulse 1.8s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.transition-logo-badge {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 43, 43, 0.12);
    border: 1px solid rgba(255, 43, 43, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(255, 43, 43, 0.4);
}

@keyframes radarPulse {
    0% {
        transform: scale(0.7);
        opacity: 1;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

/* Cinematic Page Boot Loader (Roadmap Experience) */
.transition-boot-loader {
    opacity: 1 !important;
    pointer-events: auto !important;
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.7s;
}

.transition-boot-loader .transition-modal-box {
    transform: scale(1) !important;
}

.transition-boot-loader.boot-complete {
    opacity: 0 !important;
    transform: scale(1.05) !important;
    pointer-events: none !important;
    visibility: hidden !important;
}