@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700;800&display=swap');

/* ═════════════════════════════════════════════════════════════════════
   DESIGN SYSTEM TOKENS (Linear.app x Stripe x Raycast)
   awesome-design-md specification
   ═════════════════════════════════════════════════════════════════════ */
:root {
    --color-canvas: #040914;
    --color-surface-1: #0A1326;
    --color-surface-2: #0F1E3D;
    --color-surface-3: #152B57;
    --color-surface-4: #1B356B;

    --color-hairline: #16284F;
    --color-hairline-strong: #233E78;
    --color-hairline-glow: rgba(0, 198, 255, 0.4);

    --color-primary: #0066FF;
    --color-primary-hover: #1A75FF;
    --color-accent-cyan: #00C6FF;
    --color-accent-emerald: #00E676;
    --color-accent-amber: #FFB800;

    --color-ink: #F8FAFC;
    --color-ink-muted: #94A3B8;
    --color-ink-subtle: #64748B;
    --color-ink-tertiary: #475569;

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html, body {
    background-color: var(--color-canvas) !important;
    color: var(--color-ink);
    font-family: var(--font-body);
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.font-heading { font-family: var(--font-heading); }
.font-mono, .mono { font-family: var(--font-mono); }

/* Background Mesh & Subtle Grid (Linear / Raycast Style) */
.bg-mesh-canvas {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #040914;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(0, 102, 255, 0.22) 0%, transparent 60%),
        radial-gradient(circle at 85% 30%, rgba(0, 198, 255, 0.14) 0%, transparent 45%),
        radial-gradient(circle at 15% 70%, rgba(0, 230, 118, 0.08) 0%, transparent 50%),
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 100% 100%, 48px 48px, 48px 48px;
    pointer-events: none;
    z-index: -1;
}

/* Glow Utilities */
.glow-cyan {
    box-shadow: 0 0 35px -5px rgba(0, 198, 255, 0.35);
}

.glow-blue {
    box-shadow: 0 0 40px -5px rgba(0, 102, 255, 0.45);
}

.text-gradient-cyan {
    background: linear-gradient(135deg, #FFFFFF 0%, #E0F2FE 40%, #38BDF8 80%, #00C6FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
    background: linear-gradient(135deg, #FFFBEB 0%, #FDE68A 50%, #FFB800 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-emerald {
    background: linear-gradient(135deg, #ECFDF5 0%, #A7F3D0 50%, #00E676 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Cards & Surface Ladder */
.tb-card {
    background: var(--color-surface-1);
    border: 1px solid var(--color-hairline);
    transition: all 0.3s var(--ease-out-expo);
    position: relative;
}

.tb-card:hover {
    background: var(--color-surface-2);
    border-color: var(--color-hairline-strong);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.5), 0 0 20px -2px rgba(0, 198, 255, 0.12);
}

.tb-card-featured {
    background: linear-gradient(180deg, #0F2044 0%, #0A152E 100%);
    border: 1px solid var(--color-hairline-glow);
    box-shadow: 0 16px 40px -10px rgba(0, 102, 255, 0.25);
}

.glass-panel {
    background: rgba(10, 19, 38, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Buttons */
.btn-tb-primary {
    background: linear-gradient(135deg, #0066FF 0%, #0052CC 100%);
    color: #FFFFFF;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.25s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.btn-tb-primary:hover {
    background: linear-gradient(135deg, #1A75FF 0%, #0066FF 100%);
    box-shadow: 0 8px 30px rgba(0, 198, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transform: translateY(-1px) scale(1.01);
}

.btn-tb-primary:active {
    transform: translateY(1px) scale(0.99);
}

.btn-tb-secondary {
    background: var(--color-surface-1);
    color: var(--color-ink);
    border: 1px solid var(--color-hairline);
    font-weight: 600;
    transition: all 0.25s var(--ease-out-expo);
}

.btn-tb-secondary:hover {
    background: var(--color-surface-2);
    border-color: var(--color-hairline-strong);
    color: #FFFFFF;
    transform: translateY(-1px);
}

/* Proof Timeline */
.proof-timeline-container {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    padding-bottom: 1.25rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #1E3A6D #060D1B;
}

.proof-timeline-container::-webkit-scrollbar {
    height: 6px;
}

.proof-timeline-container::-webkit-scrollbar-track {
    background: #060D1B;
    border-radius: 9999px;
}

.proof-timeline-container::-webkit-scrollbar-thumb {
    background: #1E3A6D;
    border-radius: 9999px;
}

.proof-timeline-container::-webkit-scrollbar-thumb:hover {
    background: #00C6FF;
}

.proof-card {
    flex: 0 0 280px;
    scroll-snap-align: start;
    cursor: pointer;
}

@media (min-width: 640px) {
    .proof-card {
        flex: 0 0 320px;
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px -3px rgba(0, 198, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 40px 2px rgba(0, 198, 255, 0.7);
    }
}

.pulse-glow-active {
    animation: pulseGlow 3s infinite ease-in-out;
}

@keyframes floatSoft {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

.float-slow {
    animation: floatSoft 6s infinite ease-in-out;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: #0A1428;
    border: 1px solid #1E3A6D;
    border-radius: 9999px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #00C6FF 0%, #0066FF 100%);
    border: 2px solid #FFFFFF;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(0, 198, 255, 0.6);
    transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}