diff --git a/app/create-trip/layout.tsx b/app/create-trip/layout.tsx
new file mode 100644
index 0000000..911b0e5
--- /dev/null
+++ b/app/create-trip/layout.tsx
@@ -0,0 +1,13 @@
+import type { Metadata } from "next";
+
+export const metadata: Metadata = {
+  title: "Buat Open Trip",
+  description:
+    "Buat open trip pendakian gunung di SeTrip. Atur itinerary, harga, dan ajak pendaki lain ikut serta.",
+  alternates: { canonical: "/create-trip" },
+  robots: { index: false, follow: false },
+};
+
+export default function CreateTripLayout({ children }: { children: React.ReactNode }) {
+  return children;
+}
diff --git a/app/layout.tsx b/app/layout.tsx
index 93c0a7d..bfb10f9 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -2,6 +2,7 @@ import type { Metadata } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
 import { SessionProvider } from "@/components/providers/session-provider";
 import { Navbar } from "@/components/shared/navbar";
+import { siteConfig, siteUrl } from "@/lib/site";
 import "./globals.css";
 
 const geistSans = Geist({
@@ -15,9 +16,50 @@ const geistMono = Geist_Mono({
 });
 
 export const metadata: Metadata = {
-  title: "SeTrip",
-  description:
-    "Cari open trip pendakian gunung, gabung bareng, nikmati petualangan ke gunung-gunung Jawa Barat.",
+  metadataBase: new URL(siteUrl),
+  title: {
+    default: `${siteConfig.name} — Open Trip Pendakian Gunung`,
+    template: `%s · ${siteConfig.name}`,
+  },
+  description: siteConfig.description,
+  applicationName: siteConfig.name,
+  keywords: [...siteConfig.keywords],
+  authors: [{ name: siteConfig.name }],
+  creator: siteConfig.name,
+  publisher: siteConfig.name,
+  alternates: { canonical: "/" },
+  openGraph: {
+    type: "website",
+    locale: "id_ID",
+    url: "/",
+    siteName: siteConfig.name,
+    title: `${siteConfig.name} — Open Trip Pendakian Gunung`,
+    description: siteConfig.description,
+    images: [
+      {
+        url: "/images/SeTrip.png",
+        width: 1200,
+        height: 630,
+        alt: `${siteConfig.name} — ${siteConfig.slogan}`,
+      },
+    ],
+  },
+  twitter: {
+    card: "summary_large_image",
+    title: `${siteConfig.name} — Open Trip Pendakian Gunung`,
+    description: siteConfig.description,
+    images: ["/images/SeTrip.png"],
+  },
+  robots: {
+    index: true,
+    follow: true,
+    googleBot: {
+      index: true,
+      follow: true,
+      "max-image-preview": "large",
+      "max-snippet": -1,
+    },
+  },
   icons: {
     icon: "/SeTrip.ico",
     apple: "/images/SeTrip.png",
diff --git a/app/login/layout.tsx b/app/login/layout.tsx
new file mode 100644
index 0000000..85ab886
--- /dev/null
+++ b/app/login/layout.tsx
@@ -0,0 +1,13 @@
+import type { Metadata } from "next";
+
+export const metadata: Metadata = {
+  title: "Masuk",
+  description:
+    "Masuk ke akun SeTrip untuk gabung open trip pendakian dan kelola perjalananmu.",
+  alternates: { canonical: "/login" },
+  robots: { index: false, follow: true },
+};
+
+export default function LoginLayout({ children }: { children: React.ReactNode }) {
+  return children;
+}
diff --git a/app/page.tsx b/app/page.tsx
index 4a29a25..9eabe88 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -1,7 +1,20 @@
+import type { Metadata } from "next";
 import Link from "next/link";
 import Image from "next/image";
 import { tripService } from "@/server/services/trip.service";
 import { TripCard } from "@/features/trip/components/trip-card";
+import { siteConfig, siteUrl, absoluteUrl } from "@/lib/site";
+
+export const metadata: Metadata = {
+  title: "Cari Open Trip Pendakian Gunung Bareng",
+  description: `${siteConfig.slogan} ${siteConfig.description}`,
+  alternates: { canonical: "/" },
+  openGraph: {
+    title: `${siteConfig.name} — Open Trip Pendakian Gunung Bareng`,
+    description: siteConfig.slogan,
+    url: "/",
+  },
+};
 
 export default async function HomePage() {
   const trips = await tripService.getOpenTrips();
@@ -25,8 +38,41 @@ export default async function HomePage() {
     .filter((t) => !shownIds.has(t.id) && t.price <= 300000)
     .slice(0, 3);
 
+  const orgJsonLd = {
+    "@context": "https://schema.org",
+    "@graph": [
+      {
+        "@type": "Organization",
+        "@id": `${siteUrl}/#organization`,
+        name: siteConfig.name,
+        url: siteUrl,
+        logo: absoluteUrl("/images/SeTrip.png"),
+        slogan: siteConfig.slogan,
+        description: siteConfig.description,
+      },
+      {
+        "@type": "WebSite",
+        "@id": `${siteUrl}/#website`,
+        url: siteUrl,
+        name: siteConfig.name,
+        description: siteConfig.description,
+        publisher: { "@id": `${siteUrl}/#organization` },
+        inLanguage: "id-ID",
+        potentialAction: {
+          "@type": "SearchAction",
+          target: `${siteUrl}/trips?q={search_term_string}`,
+          "query-input": "required name=search_term_string",
+        },
+      },
+    ],
+  };
+
   return (
     <div className="relative min-h-screen bg-neutral-50">
+      <script
+        type="application/ld+json"
+        dangerouslySetInnerHTML={{ __html: JSON.stringify(orgJsonLd) }}
+      />
       {/* ========== HERO ========== */}
       <section className="relative overflow-hidden bg-neutral-900">
         {/* Logo background full */}
diff --git a/app/profile/page.tsx b/app/profile/page.tsx
index d1a47d1..d9ff5dc 100644
--- a/app/profile/page.tsx
+++ b/app/profile/page.tsx
@@ -1,3 +1,4 @@
+import type { Metadata } from "next";
 import { redirect } from "next/navigation";
 import Image from "next/image";
 import Link from "next/link";
@@ -7,6 +8,11 @@ import { profileService } from "@/server/services/profile.service";
 import { TripCard } from "@/features/trip/components/trip-card";
 import { ProfileTripRow } from "@/features/profile/components/profile-trip-row";
 
+export const metadata: Metadata = {
+  title: "Profil Saya",
+  robots: { index: false, follow: false },
+};
+
 export default async function ProfilePage() {
   const session = await getServerSession(authOptions);
   if (!session?.user) {
diff --git a/app/register/layout.tsx b/app/register/layout.tsx
new file mode 100644
index 0000000..1642803
--- /dev/null
+++ b/app/register/layout.tsx
@@ -0,0 +1,12 @@
+import type { Metadata } from "next";
+
+export const metadata: Metadata = {
+  title: "Daftar Akun",
+  description:
+    "Buat akun SeTrip gratis. Cari open trip pendakian gunung, gabung bareng, dan mulai petualanganmu.",
+  alternates: { canonical: "/register" },
+};
+
+export default function RegisterLayout({ children }: { children: React.ReactNode }) {
+  return children;
+}
diff --git a/app/robots.ts b/app/robots.ts
new file mode 100644
index 0000000..2595504
--- /dev/null
+++ b/app/robots.ts
@@ -0,0 +1,16 @@
+import type { MetadataRoute } from "next";
+import { absoluteUrl, siteUrl } from "@/lib/site";
+
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: [
+      {
+        userAgent: "*",
+        allow: "/",
+        disallow: ["/api/", "/profile", "/create-trip"],
+      },
+    ],
+    sitemap: absoluteUrl("/sitemap.xml"),
+    host: siteUrl,
+  };
+}
diff --git a/app/sitemap.ts b/app/sitemap.ts
new file mode 100644
index 0000000..4d96707
--- /dev/null
+++ b/app/sitemap.ts
@@ -0,0 +1,43 @@
+import type { MetadataRoute } from "next";
+import { prisma } from "@/lib/prisma";
+import { absoluteUrl } from "@/lib/site";
+
+export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
+  const trips = await prisma.trip.findMany({
+    where: { status: { in: ["OPEN", "FULL"] } },
+    select: { id: true, updatedAt: true },
+    orderBy: { updatedAt: "desc" },
+  });
+
+  const now = new Date();
+
+  const staticEntries: MetadataRoute.Sitemap = [
+    {
+      url: absoluteUrl("/"),
+      lastModified: now,
+      changeFrequency: "daily",
+      priority: 1,
+    },
+    {
+      url: absoluteUrl("/trips"),
+      lastModified: now,
+      changeFrequency: "hourly",
+      priority: 0.9,
+    },
+    {
+      url: absoluteUrl("/register"),
+      lastModified: now,
+      changeFrequency: "yearly",
+      priority: 0.3,
+    },
+  ];
+
+  const tripEntries: MetadataRoute.Sitemap = trips.map((t) => ({
+    url: absoluteUrl(`/trips/${t.id}`),
+    lastModified: t.updatedAt,
+    changeFrequency: "daily",
+    priority: 0.8,
+  }));
+
+  return [...staticEntries, ...tripEntries];
+}
diff --git a/app/trips/[id]/opengraph-image.tsx b/app/trips/[id]/opengraph-image.tsx
new file mode 100644
index 0000000..d0b2633
--- /dev/null
+++ b/app/trips/[id]/opengraph-image.tsx
@@ -0,0 +1,227 @@
+import { ImageResponse } from "next/og";
+import { tripService } from "@/server/services/trip.service";
+import { formatRupiah } from "@/lib/utils";
+import { formatTripCalendarDateRangeLong } from "@/lib/trip-dates";
+import { siteConfig } from "@/lib/site";
+
+export const alt = `${siteConfig.name} — Open Trip Pendakian`;
+export const size = { width: 1200, height: 630 };
+export const contentType = "image/png";
+
+export default async function TripOgImage({
+  params,
+}: {
+  params: Promise<{ id: string }>;
+}) {
+  const { id } = await params;
+
+  let trip;
+  try {
+    trip = await tripService.getTripById(id);
+  } catch {
+    return new ImageResponse(
+      (
+        <div
+          style={{
+            width: "100%",
+            height: "100%",
+            display: "flex",
+            alignItems: "center",
+            justifyContent: "center",
+            background:
+              "linear-gradient(135deg, #14532d 0%, #16a34a 60%, #0c4a6e 100%)",
+            color: "white",
+            fontSize: 96,
+            fontWeight: 800,
+            letterSpacing: -2,
+          }}
+        >
+          {siteConfig.name}
+        </div>
+      ),
+      { ...size }
+    );
+  }
+
+  const cover = trip.images[0]?.url;
+  const dateLabel = formatTripCalendarDateRangeLong(trip.date, trip.endDate);
+  const price = formatRupiah(trip.price);
+
+  return new ImageResponse(
+    (
+      <div
+        style={{
+          width: "100%",
+          height: "100%",
+          display: "flex",
+          position: "relative",
+          background: "#0a0a0a",
+          color: "white",
+          fontFamily: "sans-serif",
+        }}
+      >
+        {cover && (
+          // eslint-disable-next-line @next/next/no-img-element
+          <img
+            src={cover}
+            alt=""
+            width={1200}
+            height={630}
+            style={{
+              position: "absolute",
+              top: 0,
+              left: 0,
+              width: "100%",
+              height: "100%",
+              objectFit: "cover",
+              filter: "brightness(0.45) saturate(1.05)",
+            }}
+          />
+        )}
+
+        <div
+          style={{
+            position: "absolute",
+            inset: 0,
+            background:
+              "linear-gradient(135deg, rgba(20,83,45,0.88) 0%, rgba(10,10,10,0.5) 55%, rgba(12,74,110,0.85) 100%)",
+            display: "flex",
+          }}
+        />
+
+        <div
+          style={{
+            position: "relative",
+            display: "flex",
+            flexDirection: "column",
+            justifyContent: "space-between",
+            padding: 64,
+            width: "100%",
+            height: "100%",
+          }}
+        >
+          {/* Top: brand badge */}
+          <div style={{ display: "flex", alignItems: "center", gap: 14 }}>
+            <div
+              style={{
+                display: "flex",
+                alignItems: "center",
+                gap: 10,
+                background: "rgba(22,163,74,0.25)",
+                border: "1px solid rgba(74,222,128,0.45)",
+                borderRadius: 999,
+                padding: "10px 22px",
+                fontSize: 24,
+                fontWeight: 600,
+                color: "#86efac",
+              }}
+            >
+              <span style={{ fontSize: 28 }}>🏔️</span>
+              <span>Open Trip Pendakian</span>
+            </div>
+          </div>
+
+          {/* Middle: title + mountain */}
+          <div style={{ display: "flex", flexDirection: "column", gap: 16 }}>
+            <div
+              style={{
+                fontSize: trip.title.length > 40 ? 64 : 76,
+                fontWeight: 800,
+                letterSpacing: -2,
+                lineHeight: 1.05,
+                display: "flex",
+                maxWidth: 1050,
+              }}
+            >
+              {trip.title}
+            </div>
+            <div
+              style={{
+                fontSize: 32,
+                color: "#bbf7d0",
+                display: "flex",
+                alignItems: "center",
+                gap: 10,
+              }}
+            >
+              <span>📍</span>
+              <span>
+                {trip.mountain} · {trip.location}
+              </span>
+            </div>
+          </div>
+
+          {/* Bottom: date / price / brand */}
+          <div
+            style={{
+              display: "flex",
+              alignItems: "flex-end",
+              justifyContent: "space-between",
+              gap: 32,
+            }}
+          >
+            <div style={{ display: "flex", flexDirection: "column", gap: 22 }}>
+              <div
+                style={{
+                  display: "flex",
+                  alignItems: "center",
+                  gap: 16,
+                  fontSize: 26,
+                  color: "#e0f2fe",
+                }}
+              >
+                <span style={{ fontSize: 30 }}>📅</span>
+                <span>{dateLabel}</span>
+              </div>
+              <div
+                style={{
+                  display: "flex",
+                  alignItems: "baseline",
+                  gap: 14,
+                }}
+              >
+                <span style={{ fontSize: 22, color: "#86efac" }}>Mulai</span>
+                <span
+                  style={{
+                    fontSize: 56,
+                    fontWeight: 800,
+                    color: "#4ade80",
+                    letterSpacing: -1,
+                  }}
+                >
+                  {price}
+                </span>
+                <span style={{ fontSize: 22, color: "#86efac" }}>/ orang</span>
+              </div>
+            </div>
+
+            <div
+              style={{
+                display: "flex",
+                flexDirection: "column",
+                alignItems: "flex-end",
+                gap: 6,
+              }}
+            >
+              <div
+                style={{
+                  fontSize: 48,
+                  fontWeight: 800,
+                  letterSpacing: -2,
+                  display: "flex",
+                }}
+              >
+                <span>Se</span>
+                <span style={{ color: "#4ade80" }}>Trip</span>
+              </div>
+              <div style={{ fontSize: 18, color: "#a3a3a3" }}>
+                {siteConfig.slogan}
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    ),
+    { ...size }
+  );
+}
diff --git a/app/trips/[id]/page.tsx b/app/trips/[id]/page.tsx
index 379213b..3820838 100644
--- a/app/trips/[id]/page.tsx
+++ b/app/trips/[id]/page.tsx
@@ -1,3 +1,4 @@
+import type { Metadata } from "next";
 import { notFound } from "next/navigation";
 import { getServerSession } from "next-auth";
 import Link from "next/link";
@@ -6,6 +7,7 @@ import { tripService } from "@/server/services/trip.service";
 import { trustService } from "@/server/services/trust.service";
 import { formatRupiah } from "@/lib/utils";
 import { formatTripCalendarDateRangeLong } from "@/lib/trip-dates";
+import { siteConfig, siteUrl, absoluteUrl } from "@/lib/site";
 import { JoinTripButton } from "@/features/trip/components/join-trip-button";
 import { OrganizerJoinRequests } from "@/features/trip/components/organizer-join-requests";
 import { OrganizerTrustPanel } from "@/features/trip/components/organizer-trust-panel";
@@ -18,6 +20,47 @@ import {
   isTripDepartureDayPast,
 } from "@/lib/trip-dates";
 
+export async function generateMetadata({
+  params,
+}: {
+  params: Promise<{ id: string }>;
+}): Promise<Metadata> {
+  const { id } = await params;
+  let trip;
+  try {
+    trip = await tripService.getTripById(id);
+  } catch {
+    return {
+      title: "Trip tidak ditemukan",
+      robots: { index: false, follow: false },
+    };
+  }
+
+  const title = `${trip.title} — ${trip.mountain}`;
+  const fallbackDescription = `Open trip ${trip.mountain} di ${trip.location}, ${formatTripCalendarDateRangeLong(trip.date, trip.endDate)}. Harga ${formatRupiah(trip.price)}/orang, max ${trip.maxParticipants} peserta. Gabung di ${siteConfig.name}.`;
+  const description =
+    trip.description?.replace(/\s+/g, " ").trim().slice(0, 160) ||
+    fallbackDescription;
+
+  // OG/Twitter image otomatis di-inject dari `opengraph-image.tsx` colocated.
+  return {
+    title,
+    description,
+    alternates: { canonical: `/trips/${id}` },
+    openGraph: {
+      type: "article",
+      title,
+      description,
+      url: `/trips/${id}`,
+    },
+    twitter: {
+      card: "summary_large_image",
+      title,
+      description,
+    },
+  };
+}
+
 export default async function TripDetailPage({
   params,
 }: {
@@ -84,8 +127,99 @@ export default async function TripDetailPage({
     (p) => p.markedPaidAt && !p.paymentConfirmedAt
   );
 
+  const tripUrl = absoluteUrl(`/trips/${trip.id}`);
+  const eventStatus =
+    trip.status === "OPEN"
+      ? "https://schema.org/EventScheduled"
+      : trip.status === "CLOSED"
+      ? "https://schema.org/EventCancelled"
+      : "https://schema.org/EventScheduled";
+  const offerAvailability =
+    trip.status === "OPEN"
+      ? "https://schema.org/InStock"
+      : trip.status === "FULL"
+      ? "https://schema.org/SoldOut"
+      : "https://schema.org/Discontinued";
+
+  const jsonLd = {
+    "@context": "https://schema.org",
+    "@graph": [
+      {
+        "@type": "Event",
+        "@id": `${tripUrl}#event`,
+        name: trip.title,
+        description: trip.description ?? undefined,
+        startDate: trip.date.toISOString(),
+        endDate: (trip.endDate ?? trip.date).toISOString(),
+        eventStatus,
+        eventAttendanceMode: "https://schema.org/OfflineEventAttendanceMode",
+        location: {
+          "@type": "Place",
+          name: trip.mountain,
+          address: {
+            "@type": "PostalAddress",
+            addressLocality: trip.location,
+            addressCountry: "ID",
+          },
+        },
+        image: trip.images.length
+          ? trip.images.map((i) => i.url)
+          : [absoluteUrl("/images/SeTrip.png")],
+        organizer: {
+          "@type": "Person",
+          name: trip.organizer.name,
+        },
+        offers: {
+          "@type": "Offer",
+          url: tripUrl,
+          price: trip.price,
+          priceCurrency: "IDR",
+          availability: offerAvailability,
+          validFrom: trip.createdAt.toISOString(),
+        },
+        maximumAttendeeCapacity: trip.maxParticipants,
+        ...(averageRating && trip.reviews.length > 0
+          ? {
+              aggregateRating: {
+                "@type": "AggregateRating",
+                ratingValue: averageRating,
+                reviewCount: trip.reviews.length,
+                bestRating: 5,
+                worstRating: 1,
+              },
+            }
+          : {}),
+        isAccessibleForFree: false,
+        inLanguage: "id-ID",
+      },
+      {
+        "@type": "BreadcrumbList",
+        "@id": `${tripUrl}#breadcrumbs`,
+        itemListElement: [
+          { "@type": "ListItem", position: 1, name: "Beranda", item: siteUrl },
+          {
+            "@type": "ListItem",
+            position: 2,
+            name: "Open Trip",
+            item: absoluteUrl("/trips"),
+          },
+          {
+            "@type": "ListItem",
+            position: 3,
+            name: trip.mountain,
+            item: tripUrl,
+          },
+        ],
+      },
+    ],
+  };
+
   return (
     <div className="mx-auto max-w-3xl px-4 py-4 sm:py-8">
+      <script
+        type="application/ld+json"
+        dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+      />
       {/* Breadcrumb */}
       <div className="mb-3 flex items-center gap-2 text-xs text-neutral-500 sm:mb-4 sm:text-sm">
         <Link href="/trips" className="hover:text-primary-600">
diff --git a/app/trips/page.tsx b/app/trips/page.tsx
index 5096447..e250031 100644
--- a/app/trips/page.tsx
+++ b/app/trips/page.tsx
@@ -1,13 +1,33 @@
+import type { Metadata } from "next";
 import Link from "next/link";
 import { Suspense } from "react";
 import { tripService } from "@/server/services/trip.service";
 import { TripCard } from "@/features/trip/components/trip-card";
 import { TripFilter } from "@/features/trip/components/trip-filter";
+import { siteConfig } from "@/lib/site";
 
 interface TripsPageProps {
   searchParams: Promise<{ q?: string; from?: string; to?: string }>;
 }
 
+export async function generateMetadata({
+  searchParams,
+}: TripsPageProps): Promise<Metadata> {
+  const { q } = await searchParams;
+  const title = q
+    ? `Open Trip "${q}" — Pendakian Bareng`
+    : "Open Trip Pendakian Gunung — Daftar Trip Aktif";
+  const description = q
+    ? `Hasil pencarian open trip "${q}" di ${siteConfig.name}. Cari open trip pendakian, lihat tanggal, harga, & langsung gabung.`
+    : `Daftar open trip pendakian gunung yang sedang dibuka di ${siteConfig.name}. Pilih trip, lihat itinerary, dan langsung gabung mendaki bareng.`;
+  return {
+    title,
+    description,
+    alternates: { canonical: "/trips" },
+    openGraph: { title, description, url: "/trips" },
+  };
+}
+
 export default async function TripsPage({ searchParams }: TripsPageProps) {
   const params = await searchParams;
   const hasFilters = params.q || params.from || params.to;
diff --git a/lib/site.ts b/lib/site.ts
new file mode 100644
index 0000000..81892fc
--- /dev/null
+++ b/lib/site.ts
@@ -0,0 +1,39 @@
+export const siteConfig = {
+  name: "SeTrip",
+  brand: "SeTrip",
+  slogan: "Masa cowok sejati, cewek seimut, nggak SeTrip bareng?",
+  description:
+    "SeTrip adalah platform open trip pendakian gunung yang menyatukan open trip dari berbagai sosial media ke satu tempat. Cari, gabung, dan mendaki bareng — dari pemula sampai pendaki rutin.",
+  keywords: [
+    "setrip",
+    "se trip",
+    "open trip",
+    "open trip gunung",
+    "open trip pendakian",
+    "open trip jawa barat",
+    "hiking",
+    "hiking bareng",
+    "mendaki bersama",
+    "naik gunung bareng",
+    "pendakian gunung",
+    "trip gunung",
+    "trip pendakian",
+    "gabung open trip",
+    "cari open trip",
+    "papandayan",
+    "ciremai",
+    "gunung gede",
+    "gunung pangrango",
+    "gunung guntur",
+    "gunung malabar",
+    "gunung tangkuban parahu",
+  ],
+} as const;
+
+export const siteUrl = (
+  process.env.NEXT_PUBLIC_SITE_URL ?? "http://localhost:3000"
+).replace(/\/$/, "");
+
+export function absoluteUrl(path = "/"): string {
+  return `${siteUrl}${path.startsWith("/") ? path : `/${path}`}`;
+}
diff --git a/prisma/seed.ts b/prisma/seed.ts
index 36db44f..81b9c96 100644
--- a/prisma/seed.ts
+++ b/prisma/seed.ts
@@ -107,6 +107,31 @@ async function main() {
   const utc = (y: number, m0: number, d: number, h = 12, min = 0) =>
     new Date(Date.UTC(y, m0, d, h, min, 0, 0));
 
+  // Unsplash mountain photos (URL CDN publik, gratis, stabil).
+  // Slug ID di komentar = id di unsplash.com/photos/{slug} buat ditelusuri ulang.
+  const img = (id: string) =>
+    `https://images.unsplash.com/photo-${id}?w=1200&q=80&auto=format&fit=crop`;
+  const MOUNTAIN_PHOTOS = {
+    papandayan1: img("1554629947-334ff61d85dc"), // xfngap_DToE
+    papandayan2: img("1464822759023-fed622ff2c3b"), // Bkci_8qcdvQ
+    papandayan3: img("1454496522488-7a8e488e8606"), // 9wg5jCEPBsw
+    ciremai1: img("1480497490787-505ec076689f"), // 6bKxagnIDtk
+    ciremai2: img("1483728642387-6c3bdd6c93e5"), // YFFGkE3y4F8
+    ciremai3: img("1502085671122-2d218cd434e6"), // NNmiv6zcFvk
+    gede1: img("1478059299873-f047d8c5fe1a"), // DXQB5D1njMY
+    gede2: img("1519681393784-d120267933ba"), // z8ct_Q3oCqM
+    gede3: img("1501785888041-af3ef285b470"), // T7K4aEPoGGk
+    gede4: img("1540979388789-6cee28a1cdc9"), // eUFfY6cwjSU
+    tangkuban1: img("1506905925346-21bda4d32df4"), // 1527pjeb6jg
+    tangkuban2: img("1490682143684-14369e18dce8"), // 8c6eS43iq1o
+    malabar1: img("1494548162494-384bba4ab999"), // xP_AGmeEa6s
+    malabar2: img("1500964757637-c85e8a162699"), // twukN12EN7c
+    malabar3: img("1549880181-56a44cf4a9a5"), // ePpaQC2c1xA
+    guntur1: img("1558883493-8b86ff880fec"), // vaG8rOJLDHo
+    guntur2: img("1554629947-334ff61d85dc"), // reuse — xfngap_DToE
+    guntur3: img("1464822759023-fed622ff2c3b"), // reuse — Bkci_8qcdvQ
+  } as const;
+
   // --- Trip 1: Papandayan (by Dede Inoen) — 2 hari ---
   const trip1 = await prisma.trip.create({
     data: {
@@ -144,9 +169,9 @@ Minggu
       organizerId: dede.id,
       images: {
         create: [
-          { url: "/images/seed/papandayan-1.svg", caption: "Kawah Papandayan", order: 0 },
-          { url: "/images/seed/papandayan-2.svg", caption: "Track menuju puncak", order: 1 },
-          { url: "/images/seed/papandayan-3.svg", caption: "Camping ground Pondok Salada", order: 2 },
+          { url: MOUNTAIN_PHOTOS.papandayan1, caption: "Kawah Papandayan", order: 0 },
+          { url: MOUNTAIN_PHOTOS.papandayan2, caption: "Track menuju puncak", order: 1 },
+          { url: MOUNTAIN_PHOTOS.papandayan3, caption: "Camping ground Pondok Salada", order: 2 },
         ],
       },
     },
@@ -175,9 +200,9 @@ Itinerary:
       organizerId: panji.id,
       images: {
         create: [
-          { url: "/images/seed/ciremai-1.svg", caption: "Puncak Ciremai 3.078 mdpl", order: 0 },
-          { url: "/images/seed/ciremai-2.svg", caption: "Jalur pendakian via Apuy", order: 1 },
-          { url: "/images/seed/ciremai-3.svg", caption: "Sunrise dari puncak", order: 2 },
+          { url: MOUNTAIN_PHOTOS.ciremai1, caption: "Puncak Ciremai 3.078 mdpl", order: 0 },
+          { url: MOUNTAIN_PHOTOS.ciremai2, caption: "Jalur pendakian via Apuy", order: 1 },
+          { url: MOUNTAIN_PHOTOS.ciremai3, caption: "Sunrise dari puncak", order: 2 },
         ],
       },
     },
@@ -204,10 +229,10 @@ Start malam, summit saat sunrise. View epic dijamin!`,
       organizerId: fiersa.id,
       images: {
         create: [
-          { url: "/images/seed/gede-1.svg", caption: "Puncak Gunung Gede", order: 0 },
-          { url: "/images/seed/gede-2.svg", caption: "Surya Kencana padang edelweis", order: 1 },
-          { url: "/images/seed/gede-3.svg", caption: "Blue lake / Danau Biru", order: 2 },
-          { url: "/images/seed/gede-4.svg", caption: "Night hike track Cibodas", order: 3 },
+          { url: MOUNTAIN_PHOTOS.gede1, caption: "Puncak Gunung Gede", order: 0 },
+          { url: MOUNTAIN_PHOTOS.gede2, caption: "Surya Kencana padang edelweis", order: 1 },
+          { url: MOUNTAIN_PHOTOS.gede3, caption: "Blue lake / Danau Biru", order: 2 },
+          { url: MOUNTAIN_PHOTOS.gede4, caption: "Night hike track Cibodas", order: 3 },
         ],
       },
     },
@@ -234,8 +259,8 @@ Explore Kawah Ratu, Kawah Domas, foto-foto, terus makan sate maranggi!`,
       organizerId: dede.id,
       images: {
         create: [
-          { url: "/images/seed/tangkuban-1.svg", caption: "Kawah Ratu", order: 0 },
-          { url: "/images/seed/tangkuban-2.svg", caption: "Kawah Domas", order: 1 },
+          { url: MOUNTAIN_PHOTOS.tangkuban1, caption: "Kawah Ratu", order: 0 },
+          { url: MOUNTAIN_PHOTOS.tangkuban2, caption: "Kawah Domas", order: 1 },
         ],
       },
     },
@@ -262,9 +287,9 @@ Trip ringan, 3-4 jam naik. Cocok buat yang mau healing malam-malam.`,
       organizerId: fiersa.id,
       images: {
         create: [
-          { url: "/images/seed/malabar-1.svg", caption: "Puncak Malabar malam hari", order: 0 },
-          { url: "/images/seed/malabar-2.svg", caption: "View Bandung dari atas", order: 1 },
-          { url: "/images/seed/malabar-3.svg", caption: "Track pendakian", order: 2 },
+          { url: MOUNTAIN_PHOTOS.malabar1, caption: "Puncak Malabar malam hari", order: 0 },
+          { url: MOUNTAIN_PHOTOS.malabar2, caption: "View Bandung dari atas", order: 1 },
+          { url: MOUNTAIN_PHOTOS.malabar3, caption: "Track pendakian", order: 2 },
         ],
       },
     },
@@ -291,9 +316,9 @@ Buat yang suka challenge. Pemandangan kawah aktif dari dekat!`,
       organizerId: panji.id,
       images: {
         create: [
-          { url: "/images/seed/guntur-1.svg", caption: "Kawah aktif Gunung Guntur", order: 0 },
-          { url: "/images/seed/guntur-2.svg", caption: "Jalur berbatu menuju puncak", order: 1 },
-          { url: "/images/seed/guntur-3.svg", caption: "View dari puncak", order: 2 },
+          { url: MOUNTAIN_PHOTOS.guntur1, caption: "Kawah aktif Gunung Guntur", order: 0 },
+          { url: MOUNTAIN_PHOTOS.guntur2, caption: "Jalur berbatu menuju puncak", order: 1 },
+          { url: MOUNTAIN_PHOTOS.guntur3, caption: "View dari puncak", order: 2 },
         ],
       },
     },
diff --git a/public/images/seed/ciremai-1.svg b/public/images/seed/ciremai-1.svg
deleted file mode 100644
index 9f3a310..0000000
--- a/public/images/seed/ciremai-1.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad4" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#67e8f9;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#06b6d4;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad4)"/>
-  <polygon points="0,400 200,200 400,350 600,180 800,380 800,500 0,500" fill="#0891b2" opacity="0.7"/>
-  <polygon points="0,450 250,270 500,400 800,460 800,500 0,500" fill="#0e7490" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Ciremai</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 1</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/ciremai-2.svg b/public/images/seed/ciremai-2.svg
deleted file mode 100644
index d4fcc14..0000000
--- a/public/images/seed/ciremai-2.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad5" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#7dd3fc;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#0ea5e9;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad5)"/>
-  <polygon points="0,420 180,240 380,360 580,200 800,390 800,500 0,500" fill="#0284c7" opacity="0.7"/>
-  <polygon points="100,440 320,280 520,420 800,460 800,500 0,500" fill="#0369a1" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Ciremai</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 2</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/ciremai-3.svg b/public/images/seed/ciremai-3.svg
deleted file mode 100644
index 8da47b5..0000000
--- a/public/images/seed/ciremai-3.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad6" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#a5f3fc;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#06e3f0;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad6)"/>
-  <polygon points="0,410 210,210 410,340 610,170 800,385 800,500 0,500" fill="#00d9ff" opacity="0.7"/>
-  <polygon points="120,430 340,270 540,410 800,450 800,500 0,500" fill="#06b6d4" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Ciremai</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 3</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/gede-1.svg b/public/images/seed/gede-1.svg
deleted file mode 100644
index 263d4ae..0000000
--- a/public/images/seed/gede-1.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad7" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#93c5fd;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#1e40af;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad7)"/>
-  <polygon points="0,400 200,200 400,350 600,180 800,380 800,500 0,500" fill="#1e3a8a" opacity="0.7"/>
-  <polygon points="0,450 250,270 500,400 800,460 800,500 0,500" fill="#0f172a" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Gede</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 1</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/gede-2.svg b/public/images/seed/gede-2.svg
deleted file mode 100644
index fdce14e..0000000
--- a/public/images/seed/gede-2.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad8" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#bfdbfe;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#1d4ed8;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad8)"/>
-  <polygon points="0,420 180,240 380,360 580,200 800,390 800,500 0,500" fill="#1e40af" opacity="0.7"/>
-  <polygon points="100,440 320,280 520,420 800,460 800,500 0,500" fill="#1f2937" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Gede</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 2</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/gede-3.svg b/public/images/seed/gede-3.svg
deleted file mode 100644
index c758333..0000000
--- a/public/images/seed/gede-3.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad9" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#dbeafe;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#0c4a6e;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad9)"/>
-  <polygon points="0,410 210,210 410,340 610,170 800,385 800,500 0,500" fill="#082f49" opacity="0.7"/>
-  <polygon points="120,430 340,270 540,410 800,450 800,500 0,500" fill="#051e3e" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Gede</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 3</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/gede-4.svg b/public/images/seed/gede-4.svg
deleted file mode 100644
index 5dfe1ad..0000000
--- a/public/images/seed/gede-4.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad10" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#cffafe;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#164e63;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad10)"/>
-  <polygon points="0,400 200,200 400,350 600,180 800,380 800,500 0,500" fill="#0f2942" opacity="0.7"/>
-  <polygon points="0,450 250,270 500,400 800,460 800,500 0,500" fill="#051924" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Gede</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 4</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/guntur-1.svg b/public/images/seed/guntur-1.svg
deleted file mode 100644
index 9fe1b33..0000000
--- a/public/images/seed/guntur-1.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad16" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#fed7aa;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#ea580c;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad16)"/>
-  <polygon points="0,400 200,200 400,350 600,180 800,380 800,500 0,500" fill="#c2410c" opacity="0.7"/>
-  <polygon points="0,450 250,270 500,400 800,460 800,500 0,500" fill="#7c2d12" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Guntur</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 1</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/guntur-2.svg b/public/images/seed/guntur-2.svg
deleted file mode 100644
index e570ae7..0000000
--- a/public/images/seed/guntur-2.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad17" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#ffedd5;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#f97316;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad17)"/>
-  <polygon points="0,420 180,240 380,360 580,200 800,390 800,500 0,500" fill="#d97706" opacity="0.7"/>
-  <polygon points="100,440 320,280 520,420 800,460 800,500 0,500" fill="#92400e" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Guntur</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 2</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/guntur-3.svg b/public/images/seed/guntur-3.svg
deleted file mode 100644
index 7fcdcb1..0000000
--- a/public/images/seed/guntur-3.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad18" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#fecaca;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#ef4444;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad18)"/>
-  <polygon points="0,410 210,210 410,340 610,170 800,385 800,500 0,500" fill="#dc2626" opacity="0.7"/>
-  <polygon points="120,430 340,270 540,410 800,450 800,500 0,500" fill="#991b1b" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Guntur</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 3</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/malabar-1.svg b/public/images/seed/malabar-1.svg
deleted file mode 100644
index 55cdf0d..0000000
--- a/public/images/seed/malabar-1.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg width="800" height="500" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <linearGradient id="grad13" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" style="stop-color:#d8b4fe;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#7c3aed;stop-opacity:1" />
-    </linearGradient>
-  </defs>
-  <rect width="800" height="500" fill="url(#grad13)"/>
-  <polygon points="0,400 200,200 400,350 600,180 800,380 800,500 0,500" fill="#6d28d9" opacity="0.7"/>
-  <polygon points="0,450 250,270 500,400 800,460 800,500 0,500" fill="#3f0f5c" opacity="0.5"/>
-  <text x="400" y="100" font-size="48" font-weight="bold" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Malabar</text>
-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 1</text>
-</svg>
\ No newline at end of file
diff --git a/public/images/seed/malabar-2.svg b/public/images/seed/malabar-2.svg
deleted file mode 100644
index c2205c3..0000000
--- a/public/images/seed/malabar-2.svg
+++ /dev/null
@@ -1,13 +0,0 @@
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diff --git a/public/images/seed/malabar-3.svg b/public/images/seed/malabar-3.svg
deleted file mode 100644
index 75053a9..0000000
--- a/public/images/seed/malabar-3.svg
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@@ -1,13 +0,0 @@
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diff --git a/public/images/seed/papandayan-1.svg b/public/images/seed/papandayan-1.svg
deleted file mode 100644
index d858580..0000000
--- a/public/images/seed/papandayan-1.svg
+++ /dev/null
@@ -1,13 +0,0 @@
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diff --git a/public/images/seed/papandayan-2.svg b/public/images/seed/papandayan-2.svg
deleted file mode 100644
index 23ccae9..0000000
--- a/public/images/seed/papandayan-2.svg
+++ /dev/null
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-  <text x="400" y="150" font-size="24" text-anchor="middle" fill="white" font-family="Arial, sans-serif">Mountain Vista 2</text>
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diff --git a/public/images/seed/papandayan-3.svg b/public/images/seed/papandayan-3.svg
deleted file mode 100644
index adf116e..0000000
--- a/public/images/seed/papandayan-3.svg
+++ /dev/null
@@ -1,13 +0,0 @@
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diff --git a/public/images/seed/tangkuban-1.svg b/public/images/seed/tangkuban-1.svg
deleted file mode 100644
index 9e1261b..0000000
--- a/public/images/seed/tangkuban-1.svg
+++ /dev/null
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diff --git a/public/images/seed/tangkuban-2.svg b/public/images/seed/tangkuban-2.svg
deleted file mode 100644
index 5f1838c..0000000
--- a/public/images/seed/tangkuban-2.svg
+++ /dev/null
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