Team Grid

"use client";

import { useEffect, useRef, useState } from "react";
import { motion, useInView, useReducedMotion } from "motion/react";
import styles from "./team-grid.module.css";

// Motion JS timings — SECONDS, not the --duration CSS token (≈300ms).
const EASE = [0.16, 1, 0.3, 1] as const;
const CARD_DURATION = 0.45;
const HEADER_DELAY = 0.15; // cards stagger in after header starts revealing
const STAGGER_GAP = 0.08; // 80ms between each card

type SocialType = "twitter" | "linkedin" | "github" | "website";

const PLATFORM_LABELS: Record<SocialType, string> = {
  twitter: "Twitter / X",
  linkedin: "LinkedIn",
  github: "GitHub",
  website: "Website",
};

export interface TeamMemberSocial {
  type: SocialType;
  href: string;
  /** Accessible label; defaults to the platform name. */
  label?: string;
}

export interface TeamMember {
  name: string;
  role: string;
  /** Two-letter initials displayed in the circular avatar disc. */
  initials: string;
  /** Optional one-line bio shown below the role. */
  bio?: string;
  socials?: TeamMemberSocial[];
}

export interface TeamGridProps {
  /** Small label rendered above the heading (e.g. "The Team"). */
  eyebrow?: string;
  heading?: string;
  subtext?: string;
  /** Member data. Defaults to four built-in demo members. */
  members?: TeamMember[];
  /** Extra class names merged onto the outer <section>. */
  className?: string;
}

const DEFAULT_MEMBERS: TeamMember[] = [
  {
    name: "Mara Osei",
    role: "Creative Director",
    initials: "MO",
    bio: "Shapes brand systems that move between cultures without losing clarity.",
    socials: [
      { type: "twitter", href: "https://x.com" },
      { type: "linkedin", href: "https://linkedin.com" },
    ],
  },
  {
    name: "Julien Voss",
    role: "Lead Engineer",
    initials: "JV",
    bio: "Builds tools that feel inevitable in hindsight.",
    socials: [
      { type: "github", href: "https://github.com" },
      { type: "linkedin", href: "https://linkedin.com" },
    ],
  },
  {
    name: "Aisha Nkosi",
    role: "Head of Strategy",
    initials: "AN",
    bio: "Turns market confusion into a clear path and a sharp brief.",
    socials: [
      { type: "twitter", href: "https://x.com" },
      { type: "website", href: "https://example.com" },
    ],
  },
  {
    name: "Tomás Reyes",
    role: "Design Engineer",
    initials: "TR",
    bio: "Lives in the gap between a design file and a shipped interaction.",
    socials: [
      { type: "github", href: "https://github.com" },
      { type: "twitter", href: "https://x.com" },
    ],
  },
];

function cx(...parts: (string | false | undefined)[]): string {
  return parts.filter(Boolean).join(" ");
}

// Inline SVG icons — aria-hidden; accessible label lives on the parent <a>.
function SocialIcon({ type }: { type: SocialType }) {
  const shared = { "aria-hidden": true as const, width: 16, height: 16 };

  if (type === "github") {
    return (
      <svg {...shared} viewBox="0 0 16 16" fill="currentColor">
        <path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z" />
      </svg>
    );
  }

  if (type === "twitter") {
    return (
      <svg {...shared} viewBox="0 0 24 24" fill="currentColor">
        <path d="M18.244 2.25h3.308l-7.227 8.26 8.502 11.24H16.17l-4.714-6.231-5.401 6.231H2.748l7.73-8.835L1.254 2.25H8.08l4.713 6.231zm-1.161 17.52h1.833L7.084 4.126H5.117z" />
      </svg>
    );
  }

  if (type === "linkedin") {
    return (
      <svg {...shared} viewBox="0 0 24 24" fill="currentColor">
        <path d="M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433c-1.144 0-2.063-.926-2.063-2.065 0-1.138.92-2.063 2.063-2.063 1.14 0 2.064.925 2.064 2.063 0 1.139-.925 2.065-2.064 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z" />
      </svg>
    );
  }

  // website / globe
  return (
    <svg
      {...shared}
      viewBox="0 0 24 24"
      fill="none"
      stroke="currentColor"
      strokeWidth="2"
      strokeLinecap="round"
      strokeLinejoin="round"
    >
      <circle cx="12" cy="12" r="10" />
      <path d="M2 12h20M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z" />
    </svg>
  );
}

export function TeamGrid({
  eyebrow = "The People",
  heading = "Built by a team that cares about craft",
  subtext =
    "We bring together strategy, design, and engineering under one roof — so nothing gets lost in translation.",
  members = DEFAULT_MEMBERS,
  className,
}: TeamGridProps) {
  const sectionRef = useRef<HTMLElement>(null);

  // Mount-gate + null-safe reduced-motion (Bottega contract, avoids React #418).
  // Server + first client render are byte-identical (static); animation turns
  // on only after hydration for users who haven't asked for reduced motion.
  const [mounted, setMounted] = useState(false);
  useEffect(() => {
    setMounted(true);
  }, []);
  const prefersReducedMotion = useReducedMotion();
  const reduce = prefersReducedMotion === null || prefersReducedMotion;
  const animate = mounted && !reduce;

  const inView = useInView(sectionRef, { once: true, amount: 0.15 });
  const show = animate && inView;

  return (
    <section
      ref={sectionRef}
      className={cx(
        "relative w-full py-16 sm:py-24",
        "bg-background text-foreground",
        className,
      )}
    >
      <div className="mx-auto max-w-6xl px-4 sm:px-6 lg:px-8">
        {/* Header block — fades + slides up as a unit on scroll entry. */}
        <motion.div
          className="mx-auto max-w-2xl text-center"
          initial={animate ? { y: 20, opacity: 0 } : false}
          animate={
            show ? { y: 0, opacity: 1 } : animate ? { y: 20, opacity: 0 } : false
          }
          transition={{ duration: 0.5, ease: EASE }}
        >
          {eyebrow && (
            <p className="mb-3 text-xs font-semibold uppercase tracking-[0.18em] text-primary">
              {eyebrow}
            </p>
          )}
          {heading && (
            <h2 className="text-3xl font-bold tracking-tight text-foreground sm:text-4xl">
              {heading}
            </h2>
          )}
          {subtext && (
            <p
              className="mt-4 text-base leading-relaxed"
              style={{
                color: "color-mix(in oklch, var(--foreground) 65%, var(--background))",
              }}
            >
              {subtext}
            </p>
          )}
        </motion.div>

        {/* Card grid: 1-up → 2-up → 4-up. Each card staggered in from below.
            whileHover lift is gated under animate so it never clashes with
            CSS transforms on reduced-motion users. */}
        <div className="mt-12 grid grid-cols-1 gap-6 sm:grid-cols-2 lg:grid-cols-4">
          {members.map((member, i) => (
            <motion.article
              key={member.name}
              initial={animate ? { y: 28, opacity: 0 } : false}
              animate={
                show
                  ? { y: 0, opacity: 1 }
                  : animate
                    ? { y: 28, opacity: 0 }
                    : false
              }
              transition={{
                duration: CARD_DURATION,
                ease: EASE,
                delay: show ? HEADER_DELAY + i * STAGGER_GAP : 0,
              }}
              // Hover lift via Motion only — no CSS transform utility on this
              // element so there is no transform collision with motion style.
              whileHover={
                animate
                  ? { y: -5, transition: { duration: 0.22, ease: EASE } }
                  : undefined
              }
              className={cx(
                "relative flex flex-col items-center gap-4 text-center",
                "rounded-[var(--radius)] border border-border bg-background",
                "px-5 py-7",
                // Border emphasis via CSS color transition — not a transform,
                // so no conflict with Motion's y-axis control above.
                "transition-[border-color] duration-[var(--duration)] ease-[var(--ease)]",
                "hover:border-primary",
              )}
            >
              {/* Circular avatar disc — initials on a token-driven gradient.
                  Gradient + subtle outer glow pulse are in the CSS module. */}
              <div
                aria-hidden="true"
                className={cx(
                  "flex h-16 w-16 items-center justify-center",
                  "rounded-full",
                  "text-lg font-bold tracking-wide text-foreground",
                  styles.avatar,
                )}
              >
                {member.initials}
              </div>

              {/* Name + role */}
              <div className="space-y-0.5">
                <p className="text-sm font-semibold text-foreground">{member.name}</p>
                <p
                  className="text-xs font-medium uppercase tracking-wide"
                  style={{
                    color: "color-mix(in oklch, var(--foreground) 55%, var(--background))",
                  }}
                >
                  {member.role}
                </p>
              </div>

              {/* Optional one-line bio */}
              {member.bio && (
                <p
                  className="text-xs leading-relaxed"
                  style={{
                    color: "color-mix(in oklch, var(--foreground) 65%, var(--background))",
                  }}
                >
                  {member.bio}
                </p>
              )}

              {/* Social links — icon-only, aria-label on each <a>.
                  Opacity on the inner <span> preserves full-opacity focus ring on <a>. */}
              {member.socials && member.socials.length > 0 && (
                <div className="mt-auto flex items-center justify-center gap-3 pt-1">
                  {member.socials.map((social) => (
                    <a
                      key={social.type + social.href}
                      href={social.href}
                      target="_blank"
                      rel="noopener noreferrer"
                      aria-label={social.label ?? PLATFORM_LABELS[social.type]}
                      className={cx(
                        "group rounded-sm",
                        "text-foreground hover:text-primary",
                        "transition-colors duration-[var(--duration)] ease-[var(--ease)]",
                        "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring",
                        "focus-visible:ring-offset-2 focus-visible:ring-offset-background",
                      )}
                    >
                      <span className="block opacity-50 transition-opacity duration-[var(--duration)] ease-[var(--ease)] group-hover:opacity-100">
                        <SocialIcon type={social.type} />
                      </span>
                    </a>
                  ))}
                </div>
              )}
            </motion.article>
          ))}
        </div>
      </div>
    </section>
  );
}