"use client"; import { useRef, type ReactNode } from "react"; import { AnimatePresence, motion, useInView, useReducedMotion } from "motion/react"; import { motionStagger, motionViewport } from "@/lib/motion-tokens"; import { cn } from "@/lib/utils"; const spring = { type: "spring" as const, duration: 0.3, bounce: 0 }; export function useSeraItemVariants() { const reduceMotion = useReducedMotion(); return reduceMotion ? { hidden: { opacity: 1 }, visible: { opacity: 1 } } : { hidden: { opacity: 0, filter: "blur(4px)", y: 12 }, visible: { opacity: 1, filter: "blur(0px)", y: 0, transition: spring, }, }; } export function SeraStagger({ children, className, }: { children: ReactNode; className?: string; }) { const ref = useRef(null); const inView = useInView(ref, motionViewport); return ( {children} ); } export function SeraStaggerItem({ children, className, }: { children: ReactNode; className?: string; }) { const itemVariants = useSeraItemVariants(); return ( {children} ); } /** Word reveal — signature text motion for Sera hero/headlines. */ export function SeraRevealWord({ word, index, className, }: { word: string; index: number; className?: string; }) { const reduceMotion = useReducedMotion(); return ( {word} ); } export function SeraWordReveal({ text, className, }: { text: string; className?: string; }) { const words = text.split(" "); return ( {words.map((word, index) => ( ))} ); } /** Subtle ledger cell lift on hover. */ export function SeraHoverLift({ children, className, }: { children: ReactNode; className?: string; }) { const reduceMotion = useReducedMotion(); return ( {children} ); } /** Monochrome infinite marquee — quotes, wordmarks, rows. */ export function SeraMarquee({ children, className, duration = 42, }: { children: ReactNode; className?: string; duration?: number; }) { const reduceMotion = useReducedMotion(); return (

{children} {children}

); } /** Blur settle reveal for inverse strips and panels. */ export function SeraBlurReveal({ children, className, }: { children: ReactNode; className?: string; }) { const ref = useRef(null); const inView = useInView(ref, motionViewport); const reduceMotion = useReducedMotion(); return ( {children} ); } /** Hairline rule draws in from the left. */ export function SeraMaskRule({ className }: { className?: string }) { const ref = useRef(null); const inView = useInView(ref, motionViewport); const reduceMotion = useReducedMotion(); return ( ); } /** Sharp-corner billing toggle for Sera pricing. */ export function SeraBillingToggle({ period, onChange, layoutId = "sera-billing-pill", }: { period: "monthly" | "annual"; onChange: (period: "monthly" | "annual") => void; layoutId?: string; }) { const reduceMotion = useReducedMotion(); return (

{(["monthly", "annual"] as const).map((option) => { const isActive = period === option; return ( ); })}

); } /** Cross-fade price when billing period changes. */ export function SeraPriceReveal({ amount, className, }: { amount: string; className?: string; }) { const reduceMotion = useReducedMotion(); return ( {amount} ); } /** Menu / close icon cross-fade for Sera header mobile toggle. */ export function SeraIconToggle({ open, children, }: { open: boolean; children: [ReactNode, ReactNode]; }) { const reduceMotion = useReducedMotion(); const transition = reduceMotion ? { duration: 0 } : spring; return ( {children[0]} {children[1]} ); } /** Stagger children when mobile drawer opens. */ export function SeraDrawerStagger({ open, children, className, }: { open: boolean; children: ReactNode; className?: string; }) { const reduceMotion = useReducedMotion(); return ( {children} ); } export function SeraDrawerItem({ children, className, }: { children: ReactNode; className?: string; }) { const reduceMotion = useReducedMotion(); return ( {children} ); }