/* Extracted CSS for pages/ai-receptionist/ai-receptionist-core/index.html */
/* ── PAGE BASE ── */
        body { background: var(--color-bg-dark); color: var(--color-text-primary); font-family: 'Inter', sans-serif; }

        /* ── HERO ── */
        .arc-hero {
            min-height: 100vh;
            padding: 150px 0 100px;
            background: var(--color-bg-dark);
            display: flex;
            align-items: center;
            overflow: hidden;
            position: relative;
        }
        .arc-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }
        .arc-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--color-accent-purple);
            margin-bottom: 1.75rem;
            opacity: 0;
        }
        .arc-eyebrow::before {
            content: '';
            display: block;
            width: 20px;
            height: 1.5px;
            background: var(--color-accent-purple);
        }
        .arc-h1 {
            font-size: clamp(3.2rem, 7vw, 7rem);
            font-weight: 800;
            line-height: 0.93;
            letter-spacing: -0.04em;
            text-transform: uppercase;
            margin-bottom: 2rem;
        }
        .arc-h1 .word-line { display: block; overflow: hidden; padding-bottom: 0.05em; }
        .arc-h1 .word-inner { display: block; will-change: transform; transform: translateY(100%); }
        .arc-h1 .accent { color: var(--color-accent-purple); }
        .arc-desc {
            max-width: 500px;
            font-size: clamp(0.95rem, 1.15vw, 1.1rem);
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin-bottom: 2.5rem;
            opacity: 0;
        }
        .arc-cta-row {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 3rem;
            opacity: 0;
        }
        .arc-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            background: var(--color-accent-purple);
            color: #fff;
            padding: 0.9rem 1.9rem;
            border-radius: 3px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            text-decoration: none;
            transition: background 0.3s, box-shadow 0.3s;
            box-shadow: 0 12px 32px var(--color-accent-purple-glow);
        }
        .arc-btn-primary:hover { background: var(--color-accent-purple-hover); }
        .arc-btn-primary svg { width: 12px; height: 12px; }
        .arc-cta-sub {
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: var(--color-text-muted);
        }
        .arc-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            opacity: 0;
        }
        .arc-stat {
            padding: 1.25rem 0;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .arc-stat-val {
            display: block;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent-purple);
            letter-spacing: -0.02em;
            margin-bottom: 0.25rem;
        }
        .arc-stat-label {
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-text-muted);
        }

        /* ── 3D PHONE VISUAL ── */
        .arc-visual-wrap {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            perspective: 1000px;
            height: 520px;
            opacity: 0;
        }
        .arc-glow-bg {
            position: absolute;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(94,14,215,0.28) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .arc-phone-3d {
            position: relative;
            z-index: 2;
            width: 260px;
            background: rgba(18,18,23,0.92);
            border: 1px solid rgba(94,14,215,0.45);
            border-radius: 28px;
            padding: 28px 22px;
            transform-style: preserve-3d;
            transform: rotateY(-12deg) rotateX(4deg);
            box-shadow:
                0 40px 80px rgba(0,0,0,0.6),
                0 0 0 1px rgba(94,14,215,0.2),
                inset 0 1px 0 rgba(255,255,255,0.07);
            backdrop-filter: blur(12px);
        }
        .arc-phone-notch {
            width: 60px;
            height: 6px;
            background: rgba(255,255,255,0.08);
            border-radius: 3px;
            margin: 0 auto 20px;
        }
        .arc-phone-status {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255,255,255,0.07);
        }
        .arc-phone-label {
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--color-text-muted);
        }
        .arc-live-dot {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: #4ade80;
        }
        .arc-live-dot::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #4ade80;
            border-radius: 50%;
            box-shadow: 0 0 8px #4ade80;
            animation: pulse-live 1.8s infinite;
        }
        @keyframes pulse-live {
            0%,100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.5); opacity: 0.5; }
        }
        .arc-waveform {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 3px;
            height: 44px;
            margin-bottom: 18px;
        }
        .arc-bar {
            width: 3px;
            background: var(--color-accent-purple);
            border-radius: 2px;
            animation: wave-bar 1.1s ease-in-out infinite alternate;
        }
        .arc-bar:nth-child(1)  { height: 10px; animation-delay: 0s; }
        .arc-bar:nth-child(2)  { height: 22px; animation-delay: 0.1s; }
        .arc-bar:nth-child(3)  { height: 14px; animation-delay: 0.2s; }
        .arc-bar:nth-child(4)  { height: 30px; animation-delay: 0.05s; }
        .arc-bar:nth-child(5)  { height: 18px; animation-delay: 0.15s; }
        .arc-bar:nth-child(6)  { height: 36px; animation-delay: 0.25s; }
        .arc-bar:nth-child(7)  { height: 20px; animation-delay: 0.08s; }
        .arc-bar:nth-child(8)  { height: 28px; animation-delay: 0.18s; }
        .arc-bar:nth-child(9)  { height: 12px; animation-delay: 0.3s; }
        .arc-bar:nth-child(10) { height: 24px; animation-delay: 0.12s; }
        .arc-bar:nth-child(11) { height: 16px; animation-delay: 0.22s; }
        .arc-bar:nth-child(12) { height: 32px; animation-delay: 0.06s; }
        @keyframes wave-bar {
            to { transform: scaleY(0.3); opacity: 0.5; }
        }
        .arc-phone-booking {
            background: rgba(74,222,128,0.07);
            border-left: 2px solid #4ade80;
            padding: 10px 12px;
            font-size: 11px;
            color: #bff7d0;
            border-radius: 0 6px 6px 0;
        }

        /* Floating chips */
        .arc-chip {
            position: absolute;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(18,18,23,0.95);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 50px;
            padding: 8px 14px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-text-primary);
            white-space: nowrap;
            z-index: 5;
            opacity: 0;
            box-shadow: 0 8px 24px rgba(0,0,0,0.4);
        }
        .arc-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .arc-chip-dot.green  { background: #4ade80; box-shadow: 0 0 8px #4ade80; }
        .arc-chip-dot.purple { background: var(--color-accent-purple); box-shadow: 0 0 8px var(--color-accent-purple); }
        .arc-chip-dot.white  { background: #fff; }
        .arc-chip-1 { top: 40px;  left: -60px; }
        .arc-chip-2 { top: 50%;   right: -70px; transform: translateY(-50%); }
        .arc-chip-3 { bottom: 60px; left: -50px; }

        /* ── MODULES SECTION ── */
        .arc-modules {
            padding: clamp(6rem, 12vh, 10rem) 0;
            background: var(--color-bg-dark);
        }
        .arc-section-header { margin-bottom: clamp(3.5rem, 7vh, 5.5rem); }
        .arc-section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--color-accent-purple);
            margin-bottom: 1.25rem;
        }
        .arc-section-eyebrow::before {
            content: '';
            width: 20px;
            height: 1.5px;
            background: var(--color-accent-purple);
        }
        .arc-section-title {
            font-size: clamp(2.25rem, 4.7vw, 4.2rem);
            font-weight: 800;
            line-height: 0.98;
            letter-spacing: -0.04em;
            text-transform: uppercase;
            color: var(--color-text-primary);
        }
        .arc-modules-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.06);
        }
        .arc-module-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: clamp(2rem, 4vw, 3rem);
            background: var(--color-bg-dark-secondary);
            text-decoration: none;
            color: inherit;
            border-top: 2px solid transparent;
            transition: background 0.35s, border-color 0.35s, transform 0.35s;
            opacity: 0;
            position: relative;
            overflow: hidden;
        }
        .arc-module-card:hover {
            background: var(--color-bg-dark-tertiary);
            border-top-color: var(--color-accent-purple);
            transform: translateY(-4px);
        }
        .arc-module-card:hover .arc-card-arrow { opacity: 1; transform: translate(0, 0); }
        .arc-card-num {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--color-accent-purple);
            margin-bottom: 2.5rem;
        }
        .arc-card-title {
            font-size: clamp(1.5rem, 2.5vw, 2.1rem);
            font-weight: 800;
            line-height: 1.05;
            letter-spacing: -0.03em;
            text-transform: uppercase;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
        }
        .arc-card-desc {
            font-size: 0.92rem;
            line-height: 1.65;
            color: var(--color-text-secondary);
            max-width: 380px;
        }
        .arc-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .arc-card-link-label {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--color-accent-purple);
        }
        .arc-card-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(94,14,215,0.15);
            border: 1px solid rgba(94,14,215,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transform: translate(-8px, 8px);
            transition: opacity 0.3s, transform 0.3s;
        }
        .arc-card-arrow svg { width: 11px; height: 11px; color: var(--color-accent-purple); }

        /* ── FLOW SECTION ── */
        .arc-flow-section {
            padding: clamp(6rem, 12vh, 10rem) 0;
            background: var(--color-bg-dark-secondary);
        }
        .arc-flow {
            --flow-progress: 0;
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            position: relative;
            margin-top: 4rem;
        }
        .arc-flow::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 5%;
            right: 5%;
            height: 1px;
            background: var(--color-accent-purple);
            transform: scaleX(var(--flow-progress));
            transform-origin: left center;
            opacity: 0.4;
            transition: transform 0.05s linear;
        }
        .arc-flow-node { position: relative; z-index: 1; padding-right: 20px; }
        .arc-flow-dot {
            width: 56px;
            height: 56px;
            display: grid;
            place-items: center;
            margin-bottom: 20px;
            background: var(--color-bg-dark);
            border: 1px solid var(--color-accent-purple);
            color: var(--color-accent-purple);
            font-weight: 800;
            font-size: 0.85rem;
            letter-spacing: 0.05em;
        }
        .arc-flow-node h3 {
            font-size: 0.9rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            max-width: 140px;
        }
        .arc-flow-node p {
            font-size: 0.78rem;
            line-height: 1.55;
            color: var(--color-text-muted);
            max-width: 150px;
        }

        /* ── WHY CORE SECTION ── */
        .arc-why-section {
            padding: clamp(6rem, 12vh, 10rem) 0;
            background: var(--color-bg-dark);
        }
        .arc-caps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            margin-top: 4rem;
        }
        .arc-cap-item {
            padding: 2rem 2rem 2rem 0;
            border-top: 1px solid rgba(255,255,255,0.08);
            transition: border-top-color 0.3s, transform 0.3s;
        }
        .arc-cap-item:hover {
            border-top-color: var(--color-accent-purple);
            transform: translateY(-3px);
        }
        .arc-cap-num {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-accent-purple);
            margin-bottom: 1.25rem;
        }
        .arc-cap-title {
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--color-text-primary);
            margin-bottom: 0.6rem;
        }
        .arc-cap-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: var(--color-text-secondary);
        }

        /* ── FINAL CTA ── */
        .arc-cta-section {
            padding: clamp(7rem, 14vh, 12rem) 0;
            background: var(--color-bg-dark-secondary);
            text-align: center;
            position: relative;
            overflow: hidden;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .arc-cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 700px;
            height: 350px;
            background: radial-gradient(ellipse, rgba(94,14,215,0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .arc-cta-title {
            font-size: clamp(3rem, 7vw, 6rem);
            font-weight: 800;
            line-height: 0.92;
            letter-spacing: -0.04em;
            text-transform: uppercase;
            color: var(--color-text-primary);
            margin-bottom: 1.5rem;
            position: relative;
        }
        .arc-cta-desc {
            font-size: clamp(1rem, 1.3vw, 1.1rem);
            color: var(--color-text-secondary);
            max-width: 480px;
            margin: 0 auto 2.5rem;
            line-height: 1.65;
            position: relative;
        }

        /* ── RESPONSIVE ── */
        @media (max-width: 900px) {
            .arc-hero-grid { grid-template-columns: 1fr; gap: 60px; }
            .arc-visual-wrap { height: 400px; }
            .arc-flow { grid-template-columns: 1fr; gap: 2rem; }
            .arc-flow::before { top: 0; bottom: 0; left: 27px; width: 1px; height: auto; transform: scaleY(var(--flow-progress)); transform-origin: top center; }
            .arc-flow-node { display: grid; grid-template-columns: 56px 1fr; column-gap: 16px; padding: 0; }
            .arc-flow-dot { grid-row: span 2; margin: 0; }
            .arc-flow-node h3, .arc-flow-node p { max-width: none; }
            .arc-caps-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 600px) {
            .arc-hero { padding-top: 120px; }
            .arc-modules-grid { grid-template-columns: 1fr; }
            .arc-caps-grid { grid-template-columns: 1fr; }
            .arc-stats { grid-template-columns: 1fr; }
            .arc-chip-1, .arc-chip-2, .arc-chip-3 { display: none; }
        }
        @media (prefers-reduced-motion: reduce) {
            .arc-bar, .arc-live-dot::before { animation: none; }
        }